Victor (by SMS)
It is usually the incompatibility in the blood genotype that causes problems in a couple’s offspring and not the blood group. However, slight problems may develop with a second child when the father with a Rhesus positive blood could have created some antibodies against the mother’s Rhesus negative blood. Fortunately, such cases can be handled with some medications (RHOGAM). This however is not the case with you and your girlfriend. Since you and your girlfriend both have an AA genotype, you can safely go ahead and get married.
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