If the blood of a pregnant woman is rhesus-negative (Rh-negative) and the blood of the foetus is rhesus-positive (Rh-positive), the woman may develop antibodies, which can cause severe harm to ...

Couples are advised to know their blood types before committing to having children (Shutterstock) Couples are often plagued by various problems in marriage including fertility and pregnancy issues.

Rhesus (Rh) incompatibility is amongst the many complications couples face in marriage (Image: Shutterstock) Couples are often plagued by various problems in marriage including fertility and pregnancy ...