Can O+ and O have a baby?

Answered by 1 Apollo Doctors

Dr Dr Khaleel Ur Rahim

General Practitioner

MBBS
1+ Yrs

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They can have a baby, but there is risk of RH incompatibility

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Answered 04/07/2025

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A person with blood group O positive and another with O negative can definitely have a baby together. The main consideration here is the Rh factor difference: one is Rh positive and the other is Rh negative.

Blood Group Compatibility: Both parents having blood group O means the baby will also have blood group O.
Rh Factor Consideration: Since one parent is Rh positive and the other Rh negative, the baby could inherit either Rh positive or Rh negative status.
Pregnancy Implications: If the mother is Rh negative and the baby is Rh positive, there can be a risk of Rh incompatibility, which can affect the pregnancy. This condition is manageable with medical care.
Medical Advice: It is important for the mother to have prenatal check-ups where her blood type and Rh status are monitored. If needed, she may receive an injection called Rh immunoglobulin to prevent complications.

In summary, having different Rh factors does not prevent having a healthy baby, but it does require proper prenatal care to ensure the best outcome for both mother and child.

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