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).

Vanishing twin syndrome is believed to occur in between 20 to 30 percent of multiple pregnancies. It usually occurs in the first trimester and less frequently in later pregnancy. The cause is ...

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).

A study from the NIH reveals that twins have smaller thigh volumes, less fat, and less muscle mass than singletons starting at 15 weeks of pregnancy. The findings challenge previous beliefs and could ...

Generally, this causes one twin to receive less blood supply than their sibling during a pregnancy. Cleveland Clinic explains that while a child who receives less blood may experience ...

As Nelson touched on in her video, pre-twin-to-twin transfusion syndrome is a rare pregnancy condition which affects identical twins or other multiples. It occurs when both twins share one placenta – ...

TTTS is a rare complication where twins share one placenta and “a network ... “there’s a very high chance of losing both babies”. For pregnant mothers, symptoms of TTTS typically include ...