Do you know your blood type? When you're pregnant, the Rh factor in your blood type is important because it could conflict with the baby's blood type. What determines a baby's blood type and Rh factor? At what point during your pregnancy can their blood type be determined? And how will your pregnancy change if your baby's blood is incompatible with your own? 

Learn more about your ad choices. Visit megaphone.fm/adchoices>