A twin pregnancy is when there are two fetuses in the uterus at the same time. Twins can be identical, meaning they developed when a single fertilized egg split early in development, or fraternal, ...

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 ...

Any pregnancy announcement is bound to be exciting, but these women got twice as excited when their best friend revealed that she's expecting not one, but two babies in the coming months. Sierra ...

Jesy Nelson is now a mum times two—after a terrifying pregnancy. The Little Mix alum gave birth to her and boyfriend Zion Foster's identical twin daughters Ocean Jade Nelson-Foster and Story Monroe ...

Former Little Mix singer Jesy Nelson gave birth to her twin daughters weeks early after experiencing a high-risk pregnancy. “So, our beautiful baby girls decided to come at 31 weeks plus 5 days,” ...