A twin pregnancy requires an extra 600 calories per day. According to the American Congress of Obstetricians and Gynecologists (ACOG), ...

Twins—smaller at birth, on average, than singletons—start out smaller in pregnancy than was previously known, according to a study by researchers at the National Institutes of Health (NIH). The ...

Conjoined twins are twins who are physically attached to one another. This condition can cause complications during pregnancy, delivery, and after the babies are born.

Finland remains a world-leader in neonatal care, despite the country's falling birth rate and, consequently, a decline in ...