A Brief History of Birth Control
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- Опубліковано 14 лип 2012
- Gym teacher Hank gives us the full story of the past, present, and future of birth control.
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References
History:
www.yale.edu/ynhti/curriculum/...
www.plannedparenthood.org/file...
www.cracked.com/article_16039_...
Gunnar Heinsohn/Otto Steiger: The Elimination of Medieval Birth Control and the Witch Trials of Modern Times, International Journal of Women's Studies, 3, May 1982, 193-214
Silphium:
www.damninteresting.com/the-bi...
www.sisterzeus.com/Silphio.htm
condoms: www.avert.org/condoms.htm
hormonal birth control: www.medicinenet.com/script/mai...
IUD: www.medicinenet.com/iud/page2.htm
Future of BC: healthland.time.com/2011/01/06...
Sterilization: www.medicinenet.com/surgical_s...
IMAGES:
SILPHIUM:
en.wikipedia.org/wiki/File:Sil... {PUBLIC DOMAIN}
en.wikipedia.org/wiki/File:Cyr... {fair use]
FALLOPIAN TUBES:
www.nlm.nih.gov/medlineplus/en...
{PUBLIC DOMAIN]
VAS DEFERENS:
www.nlm.nih.gov/medlineplus/en... {public domain]
IUD:
www.nlm.nih.gov/medlineplus/en...
Loretta Lynn "One's On The Way (The Pill)": • Video
Just a question: why do gym teachers give sex-ed in America? Isn't that more of a biology teacher thing?
Sincerily, a confused European
Personally, I believe it's just because they're big and scary and if you laugh they can make you do push ups.
yes....... I know what i said
Well, most gym teachers are also Health teachers because the two subjects tie in together. So yeah, hope it helps you
Because having a big scary man yell at you is more effective abstinence education than having a well-mannered and halfway-educated biology teacher teach you how exactly sex works would be.
Okay, helpful. Thanks, guys! (though my biology teacher is pretty intimidating, actually. He's about 6,6 ft)
"Which was actually very effective"
Me: oh wow that's interesti...
"Cause you can't get pregnant when you're dead."
Me: oh
you forgot to mention the most effective form of contraception: crocs.
+SuperMmmm33 Especially crocs with mid-calf high socks
Crocs are like mosquito repellent for sexual partners. 😂
As in crocodiles?
He did mention wearing weasel testicles as jewelry, which is slightly less off-putting.
Pffft, you have no idea what you’re talking about. The straps on the back of crocs are so that they don’t fall off during sex
Interesting fact of the day: in 1957, the Pill was initially marketed towards married women to regulate and control menstrual disorders, and required consent from their husbands, and was explicitly denied to any unmarried woman who found out that the pill could also be used as a contraceptive. It wasn't until 1960 that these hormonal supplements, because that's essentially what the pill is, was marketed as a contraceptive, and not until 1965 was it widely available in the US. Unmarried women weren't allowed access until 1972. (seriously though guys, look this stuff up, it's a super interesting part of history that you're not going to get in your average history class)
Thanks for looking it up and sharing.
Some birth control can help with other things too. They can help with bad period cramps, irregular periods, and acne
+Andrea Reyes They can also cause bad period cramps, irregular period, acne, and multiple other side-effects.
***** true, but just like any medicine, they have their side effects sadly
+Sup3rman1c any medication can have side effects, some opposite from what you want it to do, but the ones you mentioned are not common. there's a reason it's prescribed to treat those things.
+Sup3rman1c Every medication has side effects; some anti-depressants can cause depression. It doesn't mean that they aren't useful tools.
+
Hi Hank, I'm an ASL interpreter who works in an educational setting. Good news, high school teachers love your videos and like to show them during class! Bad news, without captions or transcripts they aren't fully accessible. Please consider captioning all your videos and making them accessible!
Wait a second, so the typical catholic ban on contraceptives boiled down to a need to repopulate after the Black Plague? That is an interesting tidbit that I never knew.
Lucky Egg my religious friends say that god doesn't want us to have birth control (or something like that that they attribute to god). they really need to do research on this stuff instead of taking the preacher at his word
It's just one of those things where some political thing became dogma. It's unfortunate how many people believe in a higher power, but refuse to study to try to understand it.
I wish more people of faith were actually more aware of the history of their faith.
I can point out several christian families who were so dogmatic that they basically forced their kids into atheism. Sometimes people just stop believing in God, sometimes they don't.
Shelby Thompson yeah, because "be fruitful and multiply" is just another way of saying "fuck the earth's ecology and resources and feed the men's egos".
This is nice...I always find it annoying that when it comes to men, any sort of birth control that would affect them and their parts, its like "uhhh, hmmm. Not so sure", though he just rambled for 10 minutes about all kinds of intrusive, chemicalized BC methods that have been pushed upon women (the LEAST fertile of the sexes) for years.
Krislyn Bodyk That would be great. It's unfortunate that the main options would virtually change our gender or potentially make us very violent loooooool. It's because its easier to mess up a females reproductive organ in a little way, since you're right, they're less fertile. Men are sooooo fertile you basically need to overkill.
Kyler St.Clair Well the thing is there are quite some promising approaches to stop men from producing functioning sperm. The WHO started a big study on it a while ago. But then about 10 % of them had side effects like mood swings and decreased libido so the just discontinued the study. They didn't even try to continue it with the 90 % that had NO SIDE EFFECTS AT ALL. Because who would want mood swings and decreased libido. But I get they were thinking something along the lines of: Those are men. Why would they have to deal with the same side effects women have to deal with?!
Why would the who be doing that? They're an over reaching band if you ask me. Just play pinball wizard and keep your hands off my genitals. J/k.
Krislyn Bodyk someone doesnt understand male ejaculation
Krislyn Bodyk I should stop posting comments when im sleep deprived shouldnt i?
dude. I fricken love these videos. you make science funny but awesome
I HAVE PRODUCED ALL THE SPERM!!!
Makes me laugh every single time...
+
Same😂😂
Thumb-upped for "skoodilypoopin'".
...aaaand down-voted for "up there". Seriously? In a vid about birth control you can't say "vagina"?!
Its called subtlety. Ever hear the saying familiarity breeds contempt. Although this is one of the few times it would have actually been acurate. The word is way over used and grossly misused.
+V. Hansen "Familiarity breeds contempt"? That makes no sense. It's a part of the human body. If we don't need euphimisms for the heart, lungs, and pancreas, then we shouldn't need one for vagina (or for penis, vulva, scrotum, or any other parts of the genitalia). Especially in a video that claims to be educational.
Then why the one for sex? I am all for accuracy and education but when you treat genitalia as if they are no different than an elbow is it any wonder people treat other people's body with disregard. After all what is so wrong with forcing someone to kiss your elbow. This is a dumb argument. Scoodlipoopin was a word he used instead of sex and he said up there instead of vagina. I liked the way he expressed himself. It made the subject easier to talk about and listen to.
"Then why the one for sex?"
If you notice, the word "sex" is said repeatedly. And the only time the vagina is ever mentioned is when he uses that juvenile phrase, "up there". Also. whatever trigger issues you have that you need to use childish terms for genitalia is for you to deal with. People need to get over their squeamishness with regards to the human reproductive system and begin to really understand their bodies and their partners'.
"This is a dumb argument."
Nobody's making you stay.
+SciShow are you the stereotypical gym teacher that's forced to teach health as well?
+Tyshef - I am super duper sure that's the idea!
Love the Mean Girls reference at the beginning :)
Also, after having discovered this channel about an hour and a half ago, I have to say that I love the down-to-earth and downright entertaining style of presenting information. This, I must say, joins the ranks of such channels as Vsauce and Minutephysics as far as my favorite informative UA-cam spots.
Early humans apparently breastfed their babies around four years to reduce the chances of becoming pregnant, as your fertility is lower when you are breastfeeding a baby.
As a mother of two I would strongly advise against it; it's quite common for most women who rely only on breastfeeding as a contraception to find themselves pregnant again within 6 months of having a baby, even if they haven't got their period back. I was on a minipill, worked well.
Oh yes, I don't recommend it as a safe contraception at all. Just stating that fertility is lower. I didn't know women actually did that today if they didn't have another pregnancy in mind.
Honestly? When your sleep pattern is all jumbled for at least a couple of weeks you don't need contraception, LOL.
Many primitive societes still breastfeed their children for many years.
I don't consider America as a primitive society. It is a growing trend to breastfeed babies for over a year now. My wife breastfed our baby for about 16 months. It's great for a babies development and it did prevent conception even with copulation on peak days. But the mother needs to be diligent at breast feeding and not use formula.
Petra - the early human argument for reducing pregnancy doesn't make sense. "Early humans" (and "later" humans) had large families to ensure the continuation of their families since infant mortality was so high.
This is the funniest SciShow vid I've seen hands down
You forgot the part where hormonal contraception was legislated against for like 30 years, like from the moment it was suggested. That really was a battle of the sexes, much like the right to vote (actually, the issue came up almost immediately after women got the vote because those who thought it should be legal and who thought it should be banned were effectively split by gender, women for and men against).
Damn you ancient Greeks, over harvesting that magical plant
CAN WE CLONE IT BACK INTO UN EXTINCTION???
Queen Anne's Lace is another herb that supposedly works as birth control, there doesn't seem to be too many studies of it, but I think I remember that it's hypothesized that it works by kind of drying things out in the uterus so that nothing can attach itself? The side effect was if you use it too much it dries things out completely down there. Some people have just used it during their week of ovulation, but they also use back up methods (I.e condoms), in the study I read about the people that didn't use a back up got pregnant more often, but still got pregnant less than the people who used nothing.
+OpalRayne wow that was really informative ~
Thanks for sharing 😮
I just realized that, since last week, when All of my after school activities ended, and I had nothing to do, I have started watching these videos almost religiously.
Good job man, I love this channel, it contains everything thats needed to make one more interested in learning.
Hard solid facts, keeping it all from a science point of view, no biased opinions and most of all comedy.
Well done good sir, well done.
1:19 actually made me laugh out loud, thank you for making my day, Scishow :)
I remember someone once said that it makes more sense to unload the gun than to put a bulletproof vest to the target. Or you might just miss the shot if you know what I mean.
Huh? Yeah analogies are meant to be precise af especially in jokes...
If it was a gun it'd be like unloading a million bullet gun. You might forget or miss a few bullets
What were the other 7 reasons?
1. Orgasms feel good.
2. Orgasms feel good.
3. Orgasms feel good.
4. Orgasms feel good.
5. Orgasms feel good.
6. Orgasms feel good.
7. Orgasms feel good.
this was really informative! Loved the video!
Just found your Channel, I am a fan. Clever, entertaining, and very informative. Thank you.
LOL-CAKES! :-D
This is definitely the funniest video that I've ever seen you guys make! Keep it scoodly-poopin Scishow!
Scoodlipoopin'
i'll start using this term from now on in my bio class :P thank you John and Hank Green :D
***** I've been using it and the kids get a kick out of it... of course I teach math, and yet because they're all freshmen (9th grade 14-16 y/o), it comes up.
id love to see the look on their faces when you're talking about the cosine of a right angle triangle and suddenly - Scoodlipoopin' ! haha :D
Ever since I heard it on an episode of crash course I've been saying scoodilypoop as a replacement for fuck and wow it's fun
Thanks so much for making this video...I got extra credit because I told my teacher about this video and he actually showed it during our Human Growth and Development lessons today!
1. I love that he did the whole video in the gym teacher outfit.
2. 9 minutes isn't "brief" for UA-cam lol
3. This video was very informative. So thank you...
"Skoodly-poopin"
10/10 liked just for that
Little tip: Don't make a video about birth control and end it playing with your ball. ;)
Joachim Schoder get a life
You are one of the coolest nerds. Keep making videos.
7:18 Did you disappear?
Makes more sence to unload a gun than shoot at a bulletproof vest though, just saying. ;)
yep yep
But you gotta shoot that goo
Blocking millions of sperm is a lot harder than blocking one egg
*ladies under both arms* Actually, no, it's not. Blocking those sperm is an outpatient procedure, takes less than 2 hours, and has minimal recovery time. As he said though, it's considered permanent. (Reversal surgeries are successful less than 2% of the time.)
The writer of the fault In our stars calls sex scoodilyboopin
Fun fact: That IS his brother.
Learned some interesting things from this one. Thanks, guys!
the best episode of scishow ever
I just about snorted coffee out my nose when ***** described sex as Swoodlypoopin'! Thank you John Green for that wonderful term
poor thing seems so uncomfortable talking about all this
Hank you are so funny love the way you teach us about science while keeping us entertained.
How very interesting. Love SciShow
Why is there so many things women have to do, I think they need to make a new pill for men, that is not testosterone based................... the pills are not healthy for the women either... side effects are very common.
Furthermore, the ultimate disadvantages, after pregnancy happens, is only on the women's side... If she gets pregnant, she gets slut shamed, has to undergo expensive abortion techniques, even if its eating a pill every day for a month to make it happen.... Problems we should be discussing more.
I would never trust a man to use birth control since they aren't the ones getting pregnant they don't really care at least not at the moment. I'd love if men had to be the one taking birth control but as I say: can't trust that they would. They're the ones who tell women they love them just to have sex! Fuckers
+_ they'd never miss a day If they could get pregnant themselves lol
I find this whole topic just funny, I'm a guy and i'm nothing like how you describe. When it comes to contraception i'ts just easier to create a form of chemical birth control for women, a males reproductive organs are entwined heavily with the rest of our body so whilst one method may be very effective at stopping semen production it would have severe negative repercussions for another part of the body. But when it comes to women their reproductive organs are a lot more singled out on the body thus making it easier to produce a form of contraception for females with less or no side effects.
And when it comes to the whole stereotypical view of how guys see pregnancy that's exclusively based on facts about guys who go out partying, most males don't want to get a girl pregnant, they genuinely want to have a nice relationship with someone they care about. Guys tend to have a much deeper emotional connection to a women they are in a relationship with because its linked to the loss of a sexual partner so the loss of possible offspring.
Also when you say guys tell women they love them just to sleep with them, that's not true, at least not for the majority of men I'll admit you can get some down right awful men but you can get some down right awful women too. Personally as a guy I love sex it's something we cannot help because it has been biologically coded into us to try and have sex when ever possible, its nature. Next time you burn a hand or a loud noise startles you try and not pull your hand away or jump from fright, it's the same basis but guys won't just lie to get sex, we're not that bad.
Frost 47....... my god. Yes, you don't sound like a bad guy. However, after reading everything you wrote, I am pretty sure, you are a fairly uninformed guy. A woman's organs sexual organs are not as intertwined as a man's?..... A man's sexual reason similar to how you react when someone touches something hot, and retracts their body from the heat?..... I am sorry. I can assure you, you might want to consider doing a bit more research, but I also don't have the right to force you to do anything or re-think your thoughts (your thoughts, not the facts..) . But, I suggest you do, do some extra research, it may help you with your relationship with women, or at least a women who are more likely to be informed.... Maybe you already have a girl who thinks the same as you.... Maybe that is for the best for you.
@@marching27 oh wow, now that's a Nice and smart way of saying... Nothing, except that you really hold some dark prejudice about men right there?
Soooo the heart symbol comes from the seed of a contracepting plant?? Cute! Like if condoms became the symbol for love in the heritage of our culture:)
A video about individual instincts and how we got those particular ones would be highly approved by me. (and I’m sure other people) love your videos by the way.
Awesome production design and graphic package. Have you added edging and drop shadow when keying out the green screen?
I love how awkward Hank looks the entire time. Especially at the end, when he says science doesn't care. Exactly how my teacher felt about the topic. He actually said to us: "If you really want to find out more... eh... Google it."
Love your videos! Want to correct one thing though - there are two forms of IUDs. This wasn’t well explained and instead it came across as though there’s just one type. The different kinds act in very different ways - one is the copper IUD - that contains NO hormones and simply stops pregnancy through the blocking of implantation and as a spermacidal agent (copper poisons sperm 😂) as well as causing inflammation in the cervix as described. There are also small, plastic IUDs that don’t contain any copper - these contain hormones that prevent ovulation and block implantation. As far as I know (though I could be wrong on this one bit) the hormonal IUDs only contain progestin, no estrogen. VERY important to distinguish this for many reasons, but two particularly come to mind - if, like me, you have endometriosis, a copper IUD is TERRIBLE. It can make it worse - heavier periods, nausea, vomiting, etc.. It’s awful. Some women also have a copper allergy which can also cause issues. The hormonal IUDs are smaller, flexible, and reduce or even completely stop periods, which if you have negative physical or emotional symptoms from periods (endo, PMDD, etc.) is very important. Other people don’t tolerate hormones well, so a copper IUD is a better option for them - e.g. if they are at a higher risk for certain cancers, blood clots, etc., or if they don’t tolerate hormones well (mood swings, etc.). Along with this, hormonal IUDs only contain progestin - some women who have intolerance for added estrogen can use progestin only containing BC, so it’s important to correct that bit as well. Planned parenthood has great info on this - www.plannedparenthood.org/learn/birth-control/iud.
Not trying to be a know-it-all or super picky, just wanted to add to the knowledge! This stuff is super important, not just to stop the baby-makin lol.
Please make an update about the side effects and the industry! Also about non hormonal methods in the modern days. Like fam. Love your content.
I'm surprised more research hasn't been done on Lithospurmum ruderale, the western stoneseed, and that it wasn't mentioned here. However, the "humping it into extinction" regarding Silphium was quite hilarious. And I am happy at least one plant was mentioned.
"It was actually pretty efective because you can't get pregnant when you're dead." lololol xD
Hi Hank! I was wondering if you could do a video on Asexuality :)
I like how this popped up in my suggestions box nine months after if was posted.
Oh my goodness, I just listened to the scishow theme tune at the start with headphones on... that bass!
Can we get the DNA of the Silphium and bring that back instead of frogs? That'd be great.
to hell with woolly mammoths. i want Silphium
Right? That's what I was thinking too.
I am a little bit disappointed that male alternatives for contraceptives falls under "all kinds of crazy" and "space age" stuff. Why should contraception be the sole responsibility of the woman? (Save for condoms.) Why should it be "all kinds of crazy" for a man to take his responsibility? I really expected the SciShow team to have a more modern and equal approach than this.
I have read articles that their is a pill for men currently in development, but you have to keep in mind that it is much harder to controle sperm than it is to control and Stop the actual wumb and the sperm attaching to the egg.
It may be more difficult now, but given the proper research it could be very effective. What I was trying to say was that the way it was presented very much ailienated the idea of any male centric contraceptive. I would have prefered (and, frankly, expected) a more open-minded attitude towards the possibility.
Saga Efraimsson Women have been considered inferior for so long, it has become "normal" to expect women to make sacrifices; health, life, etc.
I have heard that complications due to sterilization have been recognized and treated for a long time -- for men. Thousands of women have been "going crazy" for decades and not only ignored, but ridiculed for suggesting that the sterilization is somehow responsible for wreaking havoc in their life directly after the surgery. It's called Post Tubal Ligation Syndrome and doctors don't recognize it because there is no research. There is no research because the medical community denies it completely.
Saga Efraimsson Agreed that shared responsibility is important and shouldn't be considered something strange. But i think the idea of "crazy" and "space age" was referring to the method, as in huge testosterone doses or the zapping of the sperm instead. Male pill however seems reasonable.
Saga Efraimsson Well it's us women that ultimately have the baby and in our country choose if we carry the pregnancy to term so...Honestly, I really don't trust men if it came to them in taking the pill. I would like to be the one solely in charge of the whole operation but that's just me.
Hank's sense of humor kills me!
Thank you for this! Really helped me with my science fair project 😁
my classmate told me he was an accident because his dad wasnt good at pulling out. When he was going through puberty, his dad told him to do the pull out and not waste on condoms. Then, the dad had another unexpected child. Looks like the pullout isnt teh best idea. ;)
well maybe his dad should u know pull out
"Choose Abstinence, or you WILL GET PREGNANT."
.-.
Nah. I mean, the only one that requires self control is also the one to not make anyone pregnant? You must be going insane.
Could you make a playlist about medicine, medical/scientific research and illness
I wish Hank was my gym teacher...
the nice thing about this is that evolution gets rid of people who avoid pregnancies by definition.
sometimes that's not always a good thing :P
I mean, I don't know how old you are but I'm in high school and the girls who get knocked up there are not particularly the ones I'd like reproducing namsayin?
More or less meant that it's Intresting, not that it's a good or a bad thing. Pore wording on my part xD
IDWpresents lol i get you :P
It will take far too long for us to see such a change, long after my son's son's son's son's son has died. By then the world would would have changed so much this observation might be made irrelevant. Just a thought.
Naturally, once again its more interesting than anything
Skoodalee boopn. lol
I wrote it down so I may not forget *lulz glad I wasn't the only giggler
I am doing a project on bill control for school and this has saved me so much time
This version of Hank is pretty cool !
are there even 8 reasons to have sex?
Wait, in america, gym teachers teach sex ed?! Whuuuuuuuuuuuuuuut!?
Or is this some kind of joke I am unaware of?
***** Thank you very much! I had no idea about this.
dude they don't even teach you jack. It's such a "sensitive topic" I guess that no one wants to go in depth about it.
There has been "hormone gel" for a while now, it's called Progesterone Cream and its marketed mostly to menopausal women but works as well as Progesterone only birth control pills.
It'd be awesome if you could make a video explaining the science, myths, misconceptions and biological purpose behind PMS.
Here's a "new" idea. Teach men how to control and contract their muscles to not let sperm out.
*JustSomeTaoismThings*
GENEUS
you think we havent tried already?
Just for that you are alpha level male pill tester.... Your ghoolies will think they have produced ALL THE SPERM!
That isn't good birth controle.
In a way nicole, I hope he was not being serious.
"do we want infertile testosterone-injected men walking around the world...I'm not sure"
And yet, its perfectly okay for hormone injected infertile women to be walking around the world. *sighs at the progress humans (and SciShow disappointingly) still have to make*
Jakathera You're missing the point here. He is going on the assumption that those men would exhibit some sort of roid rage constantly.
As for anyone wanting to be injected with artificial hormones for any reason, you are just stupid and foolish.
Jakathera testosterone has been proven to make men more aggressive. for example, there was an instance of a man who was using excessive amounts of steroids and he killed his entire family in a testosterone induced rage. i'm fairly certain that it wasn't a sexist statement, but rather a comment on the fact that some men can already be aggressive enough and we probably shouldn't shoot them up with more of that hormone.
I feel you. But I think he is saying it because it makes men more agressive.
Hank... you are awesome.
"and this is not a relationship or sexual advice film. you can get that from your real gym teacher" :D laughed so hard at this. the way he delivered it was priceless :))))
The ending of this ruined the video. Really? Instead of talking about the sexism evident due to the fact that we only have female methods of birth control, you choose to talk about male forms as "scary" and not preferable. I usually have respect for sci show because you guys do a good job at relaying scientific information in simple terms for most of the population, but this video only succeeded in propagating the misogyny present in this area, and informed a few teenage boys who weren't paying attention in health class. Also: please just say vagina. If you can say testicles, you can say vagina.
Shut up
No (:
+Lanie Hei i was scrolling through the comments to find some who said just this. :D thank you
Especially after he explained how the IUD works, sounds a helluva lot worse than a testosterone injection or heaven forbid "sterile man"...
+Lanie Hei .aaand you crossed the line between feminism and feminazism...
Item one: We have only female birth control methods? Really? Vasectomy is for women? Condoms too? Well, OK, there are diaphragms and female condoms but the most popular condoms are installed on a male. YOU are the one who was not paying attention.
Item two: it is not due "sexism" that there are more birth control methods that are applied by women - it just biology.
Item three: the only "scary" male contraception methods are theoretical or experimental AND one (testosterone injection) might heavily increase aggression (which would be... not good) and with the second one (ultrasound to the testicles) the "scary" factor arises from the fact that testicles are extremely sensitive to even a light impact - in reality it probably won't be like that but the imaginations brings the vision of massive sound vibrations making the subject feel like being kicked in the balls.
+Lanie Hei I don't recall him ever saying he was an expert. Try fact checkin what he says and you'll find he's 100% correct. Your just furthering the fact that your an ignorant shit
Abstinence isn't 100%. What about Jesus?
IUDs workings may be a mystery, but damnit! The mystery works! :D
They do, I've been wanting to get one myself but I've always been squeamish about having a stranger rooting around down there. XD Its a mostly painless procedure, no surgery required. They insert a tube through the cervix and push the IUD in through there. Side effects are temporary and minor, a little spotting, cramping, nausea but they keep you around for a while to make sure you're ok. IUDs can last up to 5 years and I find something like that eons better than monthly pills. No daily worry.
I love this show
I am doing a presentation on contraception, and I'm wondering what the survey is that had "having a baby" ranked as eighth. I tried to search it online but couldn't find it.
Apologies if this has been pointed out already, but the Contragestive graphic is shown twice.
Thanks a lot for teaching about birth control.
Wow, Hank, you are waaaay too much of an awesome nerd to pass for a gym teacher.
I can imagine one was recreation. Not as to re-create, but as something to do to pass the time, like sport, or reading a book, or relaxing.
Best history lesson ever.
Can I just say a big thank you to everyone who has replied to my comments, it makes visiting youtube that much more fun when I can have an intelligent debate with others
Bravo! More people need to know about how long and how hard people have been trying not to risk birth or a baby every time they have sex. You really covered things thoroughly, and tidily. I think someone uncomfortable with sex or reproductive parts could easily watch this to be informed on the topic. But maybe I'm not the best judge of that.
the way you explained the iud's made it seem like both types are made of copper, and one just has hormones added. but really there is a copper iud, and a different plastic iud with hormones. both the copper and plastic iud are thought to trigger a reaction to a foreign body by the immune system as you said, but only the plastic iud releases hormones which are thought to thicken cervical mucous and prevent implantation of a fertilized egg. as a plastic iud user, i just wanted to clear that up. :)
I'd like to read more about that, do you have a reference?
My mom had a surgery done about 8ish years ago and it was near her fallopian tubes. She wanted to have more kids, so she asked if it would effect that, the doctor said no... and then it turned out it did, and she needed to get another surgery done to undo that, and for my two little sisters she was in and out of the hospital for each of them more times then she was for the other four of us combined. So, yeah, tubes can be untied, it's just... really annoying.
Could you enable sub-titles on this, so that we can add to them?
Good point!
Hey Hank, can you make a video about the space hotel?
Hormonal IUDs are actually NOT wrapped in copper, only the non-hormonal IUD uses copper. The others are just plastic that release synthetic progesterone.
@Piano Man if you made high density housing even on an individual level (housing similar to that of train housing cars [ie a fold out bed, a toilet, and sink, with lockeroom style showers]), you could house every living person in a square area the size of Rhode Island.
You can also get surgically implanted plastic tubes which release progesterone over as much as a 3yr period, and thus preventing pregnancies. In australia they cost as much as $32 and it is only a very minor surgery, like having your ears pierced. They're also fun to prod, because they're just below the surface of the skin.
Hey Hank, how about an episode on the science behind RISUG (aka vasalgel in the USA) I know what it does and where it does it, but exactly how the polymer destroys sperm would be interesting to know.
I'm on the shot. And. I. Love it.
I'd like to point out that he didn't mention the morning after pill and that hormonal iud's don't have any copper and as such, don't irritate the lining of the uterus. And sure there are several options for birth control but most are not ideal so we've got a ways to go. So do many societies.
There are two basic kinds of IUDs. Copper (no hormone) and hormone IUDs.
You need to compress the audio. The volume fluctuates quite noticeably.
can anyone post a link to the 1997 study please