A womans blood group could influence her chances of getting pregnant, scientists have found. Those with blood type O may struggle to conceive due to a lower egg count and poorer egg quality, while those with blood group A seem to be more fertile.

What blood type makes it hard to get pregnant?

Blood Type O Linked to Fertility Problems. Oct. 25, 2010 -- Researchers say having type O blood can affect a womans chances of getting pregnant.

Does blood type affect fertility?

A womans ability to conceive in early middle age may be influenced by her blood type, according to research. The US study of 560 women undergoing fertility treatment found that those with type O blood had chemical signs linked to low egg numbers.

Does the fathers blood type matter in pregnancy?

The blood type and Rh factor of a pregnant woman and the father of her baby can affect what blood type the baby has. It will also influence the antibodies the mothers body makes as an immune response to foreign matter in her body such as bacteria, sperm and even an embryo.