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 ...

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,” ...