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Doctor insights on: How Could My Spouses Blood Type Affect My Future Child

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Dr. Cornelius O'leary jr
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


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My blood type is rh- & my spouse is +. Are Rh factor problems common if my first child is rh+? I rec'd rhogam shots timely. Ttc 2nd child currently

My blood type is rh- &  my spouse is +. Are Rh factor problems common if my first child is rh+?  I rec'd rhogam shots timely.  Ttc 2nd child currently

Rh blood type: Being rh-, any child you bear that has rh+ blood type might be in danger of severe anemia. This incompatibility can be prevented by Rhogam injection at 28 weeks of gestation and again soon after the baby's birth . Having received Rhogam during your first pregnancy and after delivery will help prevent problems with your second baby. Good luck. ...Read more

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Could both parents with a+ blood have a child with o+ blood type?

Could both parents with a+ blood have a child with o+ blood type?

Yes: A pos people often carry a dose of o; if both parents give this gene to junior, junior has blood group o. ...Read more

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What blood type do my child have if I am a+ n my husband o- ?

What blood type do my child have if I am a+ n my husband o- ?

A range: If you are heterozogous for your a, then junior can have type a or type o. If you are homozygous for your a, then junior can have type a only. If you are heterozygous for your rh (positive / negative), then junior can be either rh positive or rh negative. If you are homozygous for your rh positivity, junior will be positive. It's a bit trickier but this almost always works. ...Read more

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My blood is b- and my husband's is o+ what would my childs blood type be?

My blood is b- and my husband's is o+ what would my childs blood type be?

B or O, + or -: This depends on your specific genes. If you have two copies of the b type, then all your children will be type b. If you have only one copy of the b gene, then half your children will be b and the other half o. The same goes for the rh (the + or -). I apologize as the reasons can be complicated and there's not enough space for me to explain. Please speak with your doctor for further details. ...Read more

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Can a woman with blood type b+ marry an b+ man without blood-type child bearing complications?

Yes: That should not cause any blood-type issues at all. The problems mostly come when someone rh negative marries someone rh positive. ...Read more

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Can a woman with blood type b+ marry an ab+ man without blood-type child bearing complications?

Can a woman with blood type b+ marry an ab+ man without blood-type child bearing complications?

Yes: The blood types of the parents have little to no impact on the potential health of an infant, provided that proper obstetrical care is taken for the few situations that are concerning. B and ab+ is not one of those situations. ...Read more

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Child has O- blood type, heard its rare, im scared if she ever needs blood there will be a shortage of her type:( should i worry??

Child has O- blood type, heard its rare, im scared if she ever needs blood there will be a shortage of her type:( should i worry??

No/no: AB negative is the rarest blood type in the US with < or up to 1% having it based on ethnic background. O neg range is 1-8% based on ethnic background and hospitals/blood banks keep it around all the time because they can use it as basic blood in most emergency settings. ( for most types) I'd find something else to worry about, this has been covered. ...Read more

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How is paternity of a child determined ruled out by blood type analysis?

How is paternity of a child determined ruled out by blood type analysis?

There are some...: ...Impossible outcomes: for example, an ab father cannot have a type o child, and vice versa. If mother's type is known, more combinations become impossible: a+o or a+a cannot yield a b or ab; o+o can only yield o, etc. ...Read more

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If both parents have o+ blood type can their child have a+?

If both parents have o+ blood type can their child have a+?

If they adopt one: The genetics of blood groups is rather straight forward. The only way to pick up a a gene is to have one in the donor.I find an occasional adult who actually doesn't know their blood type or was told the wrong type in the past. The days of getting a blood transfusion based on history or even recorded on your dog tags is long gone. Too much risk of transfusion rxn. All are rechecked at time of need. ...Read more

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