Twins have proportionally less fat tissue accumulation in utero compared with singletons as early as 15 weeks of gestation.

those who had twins and hypertensive disease of pregnancy (high blood pressure conditions), those who had singleton pregnancies with normal blood pressure, and those who had singleton pregnancies ...

Included in the analysis were 3D ultrasound scans of 2,604 singleton pregnancies ... Rather, they hypothesize that twins' small size early in pregnancy could be an adaptation to accommodate ...

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 ...

A study from the NIH reveals that twins have smaller thigh volumes, less fat, and less muscle mass than singletons starting ...

Included in the analysis were 3D ultrasound scans of 2,604 singleton pregnancies and 315 twins ... Rather, they hypothesize that twins' small size early in pregnancy could be an adaptation to ...