Hello, baby, or should we say, hello babies! Multiple births are on the rise, and whether you're expecting identical twins, fraternal twins,...

Identical twins occur when a single fertilized egg splits into two.

If you are pregnant with more than one baby, you are far from alone.

Here are five things you didn?t know about Rebecca Romijn and the twin baby girls she has on the way.

Matthew Broderick and Sarah Jessica Parker will be adding a set of twins to the family this summer.

A Dallas woman and her fiance got quite a surprise when DNA testing revealed their twins have two different fathers.

Years ago, most twins came as a surprise. Now, thanks to advances in prental care, most women learn about a multiple pregnancy early.

Mothers of twins or multiples might feel overwhelmed with the idea of breastfeeding more than one baby at a time.

An Englishwoman defied the odds this week by giving birth to identical triplets, who were conceived while she was on the birth control pill.

Scientists generally use a combination of methods to find candidate genes likely to be involved in autism.