I'm o+ and my husband is o-. They said on the doctors the other day that when parents have opposite signs,a woman has to have two shots while being pregnant. I had two kids, and no one ever told me this. my sister n law has o- and her husband is o+ and she has to have 2 shots during every pregnancy. Why didn't anyone tell me this? anyone in a similar situation. By the way , thank god both of my children have my blood type so nothing happened.
You are O+, you will not need the shot. The shot is only needed if the mother is the negative and the father is positive.
My sister is A- and did not know her DH's blood type. They had to get his blood type for this reason. (found out he is + and she needed the shots) I am A+ and my DH doesn't know his blood type, but it didn't matter because I am +.
This all has to do with the Rh factor in blood. If a mother doesn't have it, but the father does, causing the baby to have it, a mother's body and respond as if she is allergic to the baby causing many problems.
For more information see this link.
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