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Is it fine to marry someone with the same blood group?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am planning to get married. But my partner and I have the same B-positive blood group. In this case, when we can plan a baby, is it harmful? I have heard that the same blood group cannot conceive a baby together.

Please advise me regarding the same.

Hello,

Welcome to icliniq.com.

Every individual has a unique ABO and Rh blood group. It remains the same throughout life. You and your partner have the same blood group, which will not lead to any problem in conception or harm to you or the baby. If your blood type was negative and the fetus had a positive blood type, then further workup is needed, especially an anti-D injection.

Take care.

Medically reviewed byiCliniq medical review team

Published At January 10, 2018
Reviewed AtOctober 29, 2025

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