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It could be if its second or subsequent pregnancy and first baby was Rh pos and mum did not have any antenatal care or prophylactic anti-D within 72 hours of delivery.

This is rare though as most women have good care throughout pregnancy and there is a national programme to ensure women are given this injection as/when required.

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15y ago

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If the mother is B positive and the Father is O positive what will the baby be?

The baby could be either B positive or O positive. The baby's blood type is determined by the combination of genes from the mother and father. Since the father's blood type is O positive, the baby has a chance of inheriting either B or O from the mother.


A Father with A positive blood type and a mother with O positive blood type will have a baby with what blood type?

The baby can have either A positive or O positive blood type.


Can a mother with a negative blood and father with o positive blood have b positive blood group baby?

No. For a person to be "O" blood type, they have a phenotype of O, which can only come about if they have a genotype of OO. If both mother and father are O's then they have no B that they can donate to the baby.


What are the possible parental bloodtypes for a child with the blood-type A positive?

There are many possibilities, but two things are certain: at least one parent must be type A or AB, and at least one parent must be Rh + A child with blood type A+ can have the following combinations of parents: Mother A+, Father A+ Mother A+, Father A- Mother A-, Father A+ Mother A+, Father B+ Mother A+, Father B- Mother A-, Father B+ Mother A+, Father AB+ Mother A+, Father AB- Mother A-, Father AB+ Mother A+, Father O+ Mother A+, Father O- Mother A-, Father O+ Mother B+, Father A+ Mother B+, Father A- Mother B-, Father A+ Mother B+, Father AB+ Mother B+, Father AB- Mother B-, Father AB+ Mother AB+, Father A+ Mother AB+, Father A- Mother AB-, Father A+ Mother AB+, Father B+ Mother AB+, Father B- Mother AB-, Father B+ Mother AB+, Father AB+ Mother AB+, Father AB- Mother AB-, Father AB+ Mother AB+, Father O+ Mother AB+, Father O- Mother AB-, Father O+ Mother O+, Father A+ Mother O+, Father A- Mother O-, Father A+ Mother O+, Father AB+ Mother O+, Father AB- Mother O-, Father AB+


Can an o positive blood type father parent an ab negative type child?

Before you make rash decisions, make sure all tests are confirmed. First, The AB negative mother should be able to give birth to A-.A+,B-,B+,AB-,AB+ child. The mother is the one that can not, if all the tests are correct, have an O child. The father, if he is A -, can only have A-,A+,B-,B+,AB-,AB+.O-,O+.Now let me explain. There are two slots for A,B or empty(O). The father can be AO, or AA in this case. The mother is AB. She has to contribute either the A or the B, usually. Please notice the usually.Final answer, no because of the mother's contribution unless there is a mutation.