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 ...
Verywell Health on MSN
What to Know About Twin Pregnancy
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, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results