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Doctor insights on: Rh Isoimmunization Fathers Blood Type Homozygous D

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What blood type would my baby be if I am b+ and the father is o+?

What blood type would my baby be if I am b+ and the father is o+?

Either!: Your baby has a 50-50 chance of inheriting either your blood type or the baby's father's blood type. Depending on any medical concerns at the time of birth, the pediatrician caring for your baby may or may not order a blood type to check on things. In many cases, unless there is a problem with your baby (such as significant jaundice), this blood test may not be routinely done or necessary. ...Read more

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Dr. Lonnie Smith
19 doctors shared insights

Mother Baby Blood Type Mismatch (Definition)

Mother Baby Blood Type Mismatch, also known as ABO incompatibility, occurs when a pregnant mother has a different blood type than the developing baby. Exposure to the baby’s blood type, either from that pregnancy or a previous sibling, causes the mothers body to develop antibodies to the blood type. The condition is dangerous as antibodies can cross the placenta and cause anemia (blood cell destruction), jaundice, or fetal ...Read more


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I want to find out who my baby's father is without a DNA test. Can I use the old fashioned blood type testing?

I want to find out who my baby's father is without a DNA test.  Can I use the old fashioned blood type testing?

Too vague: Blood type testing can certainly exclude a designated person if their blood type is incompatible with that of the child. For example, a dad who is ab would not have a kid that was an o. But narrowing down & proving someone is by this means is unlikely.There are some companies that offer dna tests for this purpose & some states will require this method to identify dads for child support disputes. ...Read more

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Mom o+ baby boy o- what are the possibilities for fathers blood type?

O, A, B, Rh + or Neg: Father can be blood group o, a, b, but not ab. He can be either positive or negative of rh d. ...Read more

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What possible bloodtype for a first baby boy if the father is blood type a?

Any: It depends on mom's blood type as well. This would be a great time to brush up on mendelian inheritance. Dad can be genotype aa or ao, and there are a couple of unusual alleles as well with which you needn't be concerned for everyday questions like this. ...Read more

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Dr. Jan Lei Iwata
90 doctors shared insights

Blood Type (Definition)

Refers to the proteins present or not present on the surface of red blood cells. The types are a, ...Read more