Twins—smaller at birth, on average, than singletons—start out smaller in pregnancy than was previously known, according to a ...

The ultrasound study revealed that twins have less fat tissue and less muscle mass than singletons beginning at 15 weeks of pregnancy. If results are confirmed by additional research, the findings ...

Portable ultrasound machines could provide more affordable ways for midwives in rural areas to detect twin pregnancies and provide family support. To overcome the long training required to ...

NIH findings could lead to more efficient monitoring of twin pregnancies.