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It's possible if both parents are heterozygous for both Rh factor and ... type-A-ness, whatever the word for that is. That is if they're both +- and AO genetically, they'd both have blood type A positive, but they'd both have the potential to pass along blood type O and Rh factor negative. If the baby gets O- from both mom and dad, then the baby would be OO -- and therefore O negative.

It's not necessarily what you would expect (7 times out of 8, the baby would be type A, Rh postive, or both), but it is possible.

If they have a B negative baby, mom's been fooling around on dad.

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9y ago
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12y ago

Yes, but the kid will have to be born through a C-section.

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11y ago

If father is not AB,baby's blood group can be O.And if mother is negative baby can be +

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12y ago

yes.

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12y ago

no

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Q: Can a baby be born with o positive blood if mom is a positive and dad in o negative?
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What would be expected if a woman with blood type AB has children with a man who has blood type AB?

That would depend on whether the bloods types are both negative or both positive or one of each, If the blood types are both the same then there will be no problem, if the mother has negative blood and the father positive, the baby can be born "blue", which basically means the mothers blood being negative is trying to destroy the fathers positive antibodies from his blood in the baby, this is not too much of a problem as midwives will administer an "anti D" injection to the mother to protect the baby, if untreated the baby will be born with blue lips, toes, fingers and other extremities, a blood transfusion usually sorts any problems and does not have any long term problems for mother or baby.


Which baby gets erythroblastosis fetalis?

The second baby, normally. Erythroblastosis Foetalis is when a baby with a positive blood group is born to a mother of a negative blood group, and the mother has been 'sensitized' during a previous pregnancy. The mother's body identifies the fetus as a 'foreign' protein and her body's immune system tries to fight the foreign protein, much like an allergic reaction.


If father has AB positive blood and mother has A negative blood is there any problem for the child or the mother?

Yes this combination could cause problems for the baby it is called Rhesus Disease or RhD haemolytic disease of the new born. There are treatments available that should be discussed with your doctor. The problem occurs mostly not with the first baby that is Rh+ but the second one.


If a mother has blood type O-negative and the father has blood type A-positive what are the possible blood type outcomes of their children including the positive and negative aspects?

I'm an O- mother of three (3) with an A+ father.The bloodtype/s of your offspring can vary.....Our firstborn, (son) was born with my blood type= O-our second born, (daughter) has her father's blood type= A+and our youngest, (son) has a mixture of the two= A-While I couldn't tell you whether an O+ outcome is possible, {my guess is it would be?!} I will say I was happy with the outcome in our family...it's kinda cute really.......that my eldest boy shares my B/T; our daughter shares her father's & our 'baby' had to be different & was born with a concuction of both.I hope this satisfies any curiosity & answers your's, & other's Q.


If the father's blood type is O and mother's blood type is A what type of blood will the baby have?

There is no definite way to tell unless you know the actual genotype for both parents. This means that if the mother is AA (A blood type) genotype and the dad is BB (B blood type) genotype the baby will be AB for sure, but if the mother is AO (A blood type) and the dad BO (B blood type) the baby could be A, B, AB, or O. However, with the parents being A and B blood type means they each have at least one gene for those traits giving the baby a more than likely genotype of AB (AB blood type).

Related questions

Can a baby be born with positive blood if both parents have negative blood?

No, it is not possible.


Can your body reject a baby with a different blood type?

If you have a negative blood type and your first born has a positive blood type, then if your second has a positive blood type as well, your body can try and reject it at birth. They give you a shot for it. (At least they used to) I had a positive blood type baby, I'm o negative, my second I needed a shot for, of course, this was 25 years ago so....


What would be expected if a woman with blood type AB has children with a man who has blood type AB?

That would depend on whether the bloods types are both negative or both positive or one of each, If the blood types are both the same then there will be no problem, if the mother has negative blood and the father positive, the baby can be born "blue", which basically means the mothers blood being negative is trying to destroy the fathers positive antibodies from his blood in the baby, this is not too much of a problem as midwives will administer an "anti D" injection to the mother to protect the baby, if untreated the baby will be born with blue lips, toes, fingers and other extremities, a blood transfusion usually sorts any problems and does not have any long term problems for mother or baby.


Can a baby be born with positive blood if both parents are negative?

No. If both parents are Rh negative, they are homozygous recessive for the Rh factor and can only pass on recessive alleles to their children, and a positive Rh factor is a dominant trait.


Can a child be born with a negative blood type when both parents have positive blood types?

i think so because in math class two negatives equal a positive.


You are o what blood type do you have to worrie about when having a baby?

None. What you have to worry about is if the mother's blood type is (-) negative and the father's is (+)positive. When this happens, the baby inside the mother will be (+) and the mother will make antibodies to the baby's blood for the first pregnancy. This will not affect the firstborn, but will affect the second born. This is why they give Rh - moms a shot of Rhogam to keep the mothers antibodies from attacking the baby's bloodcells resulting in anemia.


Can 0 positive parents born an A positive child?

With genetic mutations during replication, anything is possible. But, in general two O negative parents could only have a child that is O negative. Conversely, two O positive parents could have a child that is either O negative or O positive.


Can a baby be born with blood group O if mother is blood group ARh negative?

The answer is no. If both parents have a positive Rh factor, the child will have a positive Rh factor. For example, my mother's blood type was O positive and my father's blood type was A negative. My blood type is 0 negative. I got my mother's blood type but my father's Rh factor. The negative Rh factor has to be passed from parent to child. If both parents had negative Rh factors the child in question would also have a negative Rh factor. The different types of blood, a,b,o,ab, and abo have no influence on the child having the negative Rh factor. Expecting mother's having the negative Rh factor need injections of Rhogam if the father of the child has a positive blood type. This is needed because the mother's body will attack the fetus if the baby has a positive blood type. The body doesn' recognize it and treats it as an invader. The baby can be born severly anemic or can even die. This will also effect pregnancies after that so I urge you to speak with your doctor regarding this issue. I hope I answered your question. Best wishes.............Theresa


Will the baby be healthy if father is 0 positive and mother b positive?

If a dad is O+ and the mom is B+, there is no reason for the baby to be born unhealthy, at least due to blood typing.


Can a child born rh negative blood type be the offspring of an 0 positive father and o positive mother?

yes, 2 positives can have a negative, but not the other way around. I have a son like that.


Is B positive and O positive blood type compatible in producing children?

Yes.ABO incompatibility only results when mother and fetus blood intermingle due to complications.Most people - about 85% - are Rh positive. But if a woman who is Rh negative and a man who is Rh positive conceive a baby, there is the potential for a baby to have a health problem. The baby growing inside the Rh-negative mother may have Rh-positive blood, inherited from the father. Approximately half of the children born to an Rh-negative mother and Rh-positive father will be Rh positive. Rh incompatibility usually isn't a problem if it's the mother's first pregnancy because, unless there's some sort of abnormality, the fetus's blood does not normally enter the mother's circulatory system during the course of the pregnancy. However, during delivery, the mother's and baby's blood can intermingle. If this happens, the mother's body recognizes the Rh protein as a foreign substance and can begin producing antibodies (protein molecules in the immune system that recognize, and later work to destroy, foreign substances) against the Rh proteins introduced into her blood. Other ways Rh-negative pregnant women can be exposed to the Rh protein that might cause antibody production include blood transfusions with Rh-positive blood, miscarriage, and ectopic pregnancy. Rh antibodies are harmless until the mother's second or later pregnancies. If she is ever carrying another Rh-positive child, her Rh antibodies will recognize the Rh proteins on the surface of the baby's blood cells as foreign, and pass into the baby's bloodstream and attack those cells. This can lead to swelling and rupture of the baby's red blood cells. A baby's blood count can get dangerously low when this condition, known as hemolytic or Rh disease of the newborn, occurs.


Technique of exchange transfusion in jaundice what should be the blood group and rhesus factor to be used for exchange transfusion in a group a rhesus positive baby of a rhesus negative mother?

If the baby has already been born then you can transfuse A RH POS to the baby. If the baby is still in the womb I would think A RH NEG would be right.