HomeAnswersObstetrics and GynecologypregnancyI am Rh-positive and received the injection in 2nd pregnancy.

Will receiving an injection during a second pregnancy of an Rh-positive mother harm the baby?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Uzma Arqam

Medically reviewed by

iCliniq medical review team

Published At January 24, 2023
Reviewed AtJanuary 29, 2024

Patient's Query

Hi doctor,

My blood group is B negative and my husband's blood group is O positive. In my first pregnancy, the hospital diagnosed me with a positive blood rhesus, and was not given any injection. I am in my second pregnancy almost full term and had been given the injection because of the first diagnosis. What will happen to my baby?

Answered by Dr. Uzma Arqam

Hi,

Welcome to icliniq.com.

If the mother has negative Rh and the father is positive then there is a chance of antibody development due to an immune reaction in the mother against the fetus. In the case of fetomaternal hemorrhage, this immune reaction could cause fetal anemia. It is remarkable in the case of a positive blood group of the fetus.

Baby could be growth restricted, anemic, and so on. Mostly as the problem is not evident in the first pregnancy, so in the second pregnancy it could be evident if the mother did not receive an anti-D antigen.

Are scans reports of the fetus normal? Baby's weight, growth, and amniotic fluid should be normal, and electronic fetal monitoring to be done recurrently. You can have an antibody titer test and can have anti-D as well. Baby could prone to maternal antibodies in case of fetomaternal hemorrhage as antibody exchange could harm the fetus and could cause anemia, growth restriction, and so on.

I hope you get my point.

Baby blood group should be checked at birth. Mothers should have anyone anti-D after birth as well.

Best of luck.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Uzma Arqam
Dr. Uzma Arqam

Obstetrics and Gynecology

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