If the man can donate blood to the woman,… Rhesusnegative.net 5 years ago Those of you who have an rh negative partner, do not need to worry about this. … , their offspring is least likely to be negatively affected by blood type incompatibility issues in pregnancies. Why is ABO incompatibility not as severe as Rh incompatibility in pregnancy? Pregnancies: Are you and your partner ABO compatible? https://www.datebytype.com/bloodtypedating/blood-type-dating-produces-healthier-offspring/ Are rh negatives better off dating other rh negatives? https://www.datebytype.com/bloodtypedating/who-is-your-perfect-partner-according-to-your-blood-type/