ABO Incompatibility - Hemolytic Disease Of The Newborn (HDN) - Hematology & Pathology
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- Опубліковано 23 тра 2018
- ABO Incompatibility - Hemolytic Disease Of The Newborn (HDN) - Hematology, Immunology & Pathology.
There are two main types of hemolytic disease of the newborn; ABO incompatibility and Rh incompatibility.
Anti-A and anti-B antibodies - most of the time - are IgM (i.e. they don't cross the placenta, but some mothers, naturally, have IgG anti-A or IgG anti-B antibodies, (i.e. can cross the placenta causing problems to the fetal RBCs.)
Did you like my explanation of ABO incompatibility and hemolytic disease of the newborn? Let me know in the comments.
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Unfortunately I had to learn about all this only after the death of my son due to medical negligence. They mis-matched my blood and said my rh was positive. Only to find out I'm actually O negative. Had they diagnosed my rhesus correctly, I should have been treated for the abo incompatibility at a high risk medical institution. Unfortunately my son passed 6days after birth. Still struggling with it. Was my 1st baby. I'm still scared to try get pregnant in the near future. This all happened just 3months ago.
My your soul continue to rest in peace my beautiful son.
I'm so sorry this happened to you. ❤
Can you please tell the blood group of your son?
Indian students are happy of this content
From my bottom of my heart
Thankyou sir
For your efforts
My pleasure 😇
Thank you for your work Medicosis. You deserve a noble prize
You literally the reason why I’m talking good grades after God’s grace. Thank you and plz keep going
Thanks, dear 😊
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I don’t have endocrinology videos yet. They’re coming at the end of 2020
This is the best explanation for ABO incompatibility that I've ever seen! Keep it up
Glad to hear that...Thanks and best of luck!
I completely agree 👍
For me also
so what i got from your lecture is that as a man with AB+ Blood type i should avoid marrying a woman with a O- Blood type.
Thank you for this explanation! I'm a student midwife and have struggled with texts explaining ABO Incompatibility, but this visual really helped to put the pieces together and understand it better.
Awesome 👏
Thank you so much 😊
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Thank you for your amazing efforts,, but i have one concern about the type of ABO abs > IgG .as you mintions in the video
I had learned that its IgM ,
Rh abs are IgG
First time I discovered your channel was before 2years in haematology lectures
And it was a great discover 😊😻😻😻😻
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The type of anti ABO antibodies is IgM so it does not cross the placenta in contrast with anti-Rhesus is IgG that cross the placenta .
It may not affect the baby but won't it affect the mother?
but few anit a,anti b may ig g type so incompatibility may happen but it is rare
Antibodies in ABO are IgM, but there are exceptions in blood group O the antibodies are IgG, they are known as Anti-A,B
you are so Brilliant...Making my Midwifery training so easy. God bless you
God bless you too!
I'm confused. We know that blood group O is universal donor as the blood has no antigen. That means we can give blood group O to a person having blood group A.
Q1. Why the Anti A antibody present in blood group O do not react with the recipient's blood group A?
Q2. Why the Anti A antibody present in mommy blood group O react with the baby's blood group A?
Ik this playlist is several years old already, but seriously, thank-you! This is amazing.
My pleasure 😇
I Can't thanku enough for helping out and explaining medicine so perfectly!! ❤️💯
You’re very welcome 😊
My wife blood type O+ and I'm blood type A+ , our fist baby is A+ but for our scond baby blood type is B+ and he was diagnosed with Jundice. Question; how did the baby got B+ type of blood If father A+ and mother O+?
6:16 Actually the mother can be Rh sensitized even before pregnancy if get get previous Rh incompatibility blood transfusion
Thanks Doctor !! you helped me in my journey !
Glad to hear that!
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Thank you so much.since my son was born in 1996 in Czech republic I was a Guinean international students there when I had my son.i was told that he has "abo" incompatibilité.please do explain to me.i'm sicke cells anemia but nobody told me.
Yes, hemostasis disorders are very interesting as well as hematological malignancies.
I will stay tuned for sure.
Of course...You are one of the great subscribers...Thank you :)
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Thank You!
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My pleasure 😇
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This video clarify my confusion toward this topic! Keep this up!
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just want to make sure of a point.
the IgGs here that cross the placenta to attack the fetus's RBCs are a result of the mismatches transfusion and they're not the same as the IgMs that naturally occur in the plasma, right?
You make medicine so beautiful
Thank you 😊
How ABO incompatibility decrese the incidence of alluminization
Thanks 🙏🏼 this an excellent complement to my lectures ! ❤️
You’re very welcome 😊
Nice video i have ever seen, keep it up dear .from this video i understood everything about the topic.LOVE FROM INDIA ....From where are u?
Thanks 😊
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Thanks 🙏
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Does incompatibility occurs if the mother is let's say B+ and baby is either A+/A-/AB+/AB-? (or is ABO incompatibility only occurs if mom is O blood group and baby is either A or B blood group?)
It is still an incompatibity. How ever the hemolysis occurs only if mum is 0+ve as only these mum's produce IgG antibodies which cross the placenta, A and B mums produce IgM, which does not cross the placenta.
@@argumentumadbaculum Thanks. Why A and B antigen having People produce IgM not IgG?
@@argumentumadbaculum thanks for the answer. I was worried cause I'm A (and I carry O) and my husband is B
I am blood type A+ but had a blood transfusion oct 4th 2022 and now my blood work came back abnormal with 1:8 ratio . I’m waiting to hear from the specialist so Me and baby can be seen. I’m kind of scared.
Sir, thanks. Why didnt we develop AntiA or AntiB Antibodies? So theoretically can we inject these antibodies into Blood of mother and they should prevent Agglutination ?
Rh antigens are so sparsely scattered on the erythrocyte surface that IgG molecules bound to the Rh antigens are too far apart to fix C1q. Therefore, complement-mediated hemolysis cannot be invoked to explain hemolytic disease of the newborn. By what mechanism are the red cells destroyed?
Sunlight will not work for jaundice. Because for phototherapy, you need wavelength of 460-490
UV light's wavelength is only 10-400nm
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but the Antibodies of the ABO system are IgM and IgM don't pass through the placenta
so where do they igG come from ??? I think it is necessary for the mother to have previous exposure to synthesis igG ??????
Isnt the anti A and anti B "IgM" type of antibody? And they cannot cross the placenta. Pls resppnd to this.
Also they are naturally occuring, they don't develop during pregnancy or blood transfusion or anything..
And they don't cross the placenta, they meet baby's RBCs during labour 🤔
You need to revise your information here, also blood group O means you have H Ag, not "no Ag"
Although IgM is the most common antibody against ABO blood group, there is still a small percentage of serum IgG anti-A and anti-B.
Yess it is true
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Thank you!
the Khan Academy of Medicine, :D
Help. AntiA antibody is igm. AntiB antibody is igm
How is antiA and AntiB antibody found in o gp individuals of igG type?
The majority of them are IgM but those don’t cross the placenta...Only IgGs (the minority) cross the placenta.
Wow this was very helpful. Thanks.
The best🌹
Thank you so much 👏🏻👏🏻
My pleasure 😇
PLEASE i need help i had 3 blood transfussions once a year and 3 pints each time... now im pregnant and the doctor said i have antibodies that can affect the baby im 12 weeks.. does that mean i cant have children im very sad
Hey, I am so sorry you’re going through all of this...But, I couldn’t tell from your comment what your condition is...Can you tell me more? Also, talk to your doctor and get a second opinion. All the best!
Can cesarean section help to prevent ABO incompatibility because I heard blood of the fetus meet with mothers during labour an birth?
I had this as a child my mum was rh neg and my dad rh positive, I’ve had three blood transfusions and had a bowel blockage as a new born , has a bowel operation at at week old ( 1971 ) was on iron meds as a toddler, I’ve had two other bowel surgery in my 20’s now at 49 I was put on pregabalin, naproxen, Sulphasalazine I had another bowel blockage but I had been feeling really unwell , tired , yellow eyes , pale skin, chills, back pain, pain under ribs on left side, also after my second child he was jaundice and after I had hypothyroidism
It sounds like you may be talking about a condition in this video. ua-cam.com/video/0nOc-441XUI/v-deo.html
Hey
I have a doubt here
Normally the Ab’s are of IgM type which can’t cross the placenta
How the Ab’s turn IgG?
Your knowledge is shallow!
the fact that ABs are predominantly IgM doesn't mean that they're the only ABs. There are also IgG antibodies: IgG1, IgG2 and IgG3, but it is only the IgG1 which have the ability to cross the placental barrier.
you are the best , keep going
Thank you, brother!
HI. WHY Mom already had igG, instead of igM first? How did she get sensitized first of ABO?
Thank you for the video, I have a complex question I pray you get & can answer.
I'm an only child born & was about 3-4wks early in 1969 & my mother said we had an ABO blood incompatibility. Im A+ & was severely jaundice & spent time in an incubator under lights for my 1st week.
In February of 2023 I had a CVST w/ICH & was finally diagnosed with Prothrombin II G20210A genetic mutation.
*Q*Is there a correlation between my genetic blood defect and the ABO blood incompatibility (? misdiagnosed) & the jaundice I suffered as a new born.
Idk what parent I inherited the mutation from, but it seems this maybe expressed itself at birth & is this telling to which parent I inherited it from?
Thank you!
Will there be incompatibility between a type A mother and a type AB baby or does it only work when the mother is type O?
He said I have to see another video before this one
Where is it? I need the link
Here: ua-cam.com/video/xXgzXXUEbFU/v-deo.htmlsi=_lHBQx8sVIXx-EI3
you are amazinnnng thank youuuuu tooooo muchhhh
Thanks again! Please share! 👍
very good lecture
Thanks a lot! Glad you enjoyed it!
I have a question here, In such case dose Anti-A ALWAYS cross the placenta to attach to Rbcs antigen or it might not cross the placenta and nothing will happen!?
plz do evry thing about hematology
Will do...I hope to do everything about medicine one day 😁😊
Thanks for excellent lectures
You’re very welcome 😊
Ur video are relly great!!
Thank you so much 😊
Hi thanks for the well verse video, im quite confused with why O blood group can donate blood to A blood group however via blood transfusion. Is it due to when the blood is donated, they will remove the antibody b from plasma ( if they want to transfuse plasma) or they will just transfuse red cell pack? hope u can answer me, thank you very much
Hi! When you donate your blood, they separate plasma and red blood cells so:
Blood transfusion = red blood cells + no plasma so no antibodies : hemolysis if the receiver has antibodies against the donor (O has no antibodies so can donate to anyone)
Plasma transfusion = plasma (duh) + antibodies from the donor: hemolysis if the receiver has the corresponding antigen (a group O donor has both A and B antibodies so cannot donate to group A, B or AB)
Hope this was sufficiently clear ;)
@@Mefrenchygirl helps a lot thank you
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Fine explanation sir, thanks
The anti A here must be İgM so it can pass the placenta I’m I right.¿
I have a lot of question, because my 1 year old baby has hemolytic anemia. His hemoglobin dropped to 5.0. We just found out last december And stayed at the hospital for 9 days, and also he got blood transfusion once. We are still waiting for the other result to find out if is it severe or not. Im just worried. I am willing to ask in a private message. Thank you.
thank you so much
My pleasure 😇
Thank you
my mind is blown
Thank you so much
So if i am A Positive & my pregnant girlfriend is O Negative, is that a potential problem?
Yes
Video starts at 1:30. U R welcome!
thre is no antigen at blood O HOW it produce antibody in mum body?
8:56 so since the splenic macrophages eat the rbc's causing the hemolysis is this why we see normal bilirubin values in ABO HDFN?
Will hemolytic disease of newborns occur, If mummy is A group and fetus is B group?
Perfect as usual! Thanks
My pleasure 😇
And thanks for your support 😉
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I thought anti a is igm in nature, so it doesnt cross the placenta
Anti-A,B in group O individuals tend to be predominantly IgG.
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Ummm... I thought Anti-A and Anti-B cannot cross the placenta, but there is an Anti-A,B produced by type O people which can cross the placenta, which can affect the baby who is A, B or AB. This Anti-A,B cannot dissociate to Anti-A and Anti-B, meaning it's not simply saying Anti-A + Anti-B = Anti-A,B.
If the mother is blood type O, her kid will NOT be blood type AB.
@@tabijozwick what? I never said the baby WILL be Type AB.
@@tabijozwick why?
Thank you TT
Nice video
Thank you :)
In o blood group individual they have natural occurring anti a anti b antibodies that's why there is abo incompatibility but then how they are also known as universal donor?
Let’s say that we are giving 1 unit of blood from a donor who is blood group O to a recipient who is blood group A, the amount of anti-A antibodies in the blood of the donor will not be sufficient to cause significant hemolysis to the recipient...That’s why O is a universal donor...Also, nowadays we rarely give whole blood, we separate packed red blood cells (contain antigens) from fresh frozen plasma (contains antibodies), but still, the same concept applies. Does that make sense?
@@MedicosisPerfectionalis so anti a donot cause much damage in blood transfusions but in fetus it causes abo incompatibility
@@manaswanimishra5262 the only time blood group O blood is given is if there is not enough time to test the recipient's blood type or if there is not enough blood from the recipient's blood group. I had three pints of blood for a blood transfusion and they had enough time to test for mine since I was conscious and I received my blood type, which is o positive, not the universal donor of O negative.
So nice
What if I am O+ blood type and the doctor said when I had my daughter that she was RH factor due to ABO incompatibility. What does that mean? Can you explain this to me please? We also had a son 4 years after and he was not incompatible and RH factor. Can you explain please? Thanks
This same thing happened to me. I am also confused about it but I am O+ and my baby is AB. So I believe she did not have RH factor but DID have ABO blood incompatibility (I think those are different?). ABO incompatibility is much less serious and usually only results in jaundice or mild anemia. My baby had to be treated for jaundice but that was all.
what if I'm O+ and my husband is B. Are we compatible?
@Medicosis perfectionally. Please can u tell us about blood component in details
What do you mean?
Medicosis Perfectionalis I meant Rbc , platelet ,fresh frozen plasma , doses indication of uses
How O anti A and B are igG, naturally occurring Abs are IgM?
Can such senari happen bw O mother and AB baby?
In Maternal system ab are formed as - IgM is1st to appear then Ig G and IgG crosses placenta And these antibodies dont have any effect on Rh-ve fetus
i've have this kinda question....Can you please help me why " Ig A def person" got anaphylaxis rxn...if given blood that have IgA but the patient don't have IgA...then please let me know what is the pathophys behind....that cause this rxn...thanks in advance.....
Because their bodies regard anything with IgA as foreign antigens, and then start attacking them.
simple as that....duh....thank you
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I miss anti-d vaccine after miscarriage so if i do abortion next child to prevent this disease could i save next second child by giving anti d insection. Reply me
Thanks alot
My pleasure 😇
What if the mother is B and the baby is A