UNIVERSITY PARK, Pa. — Low vitamin D levels in the first trimester of pregnancy are associated with higher rates of preterm birth and decreased fetal length, according to a new study led by ...

Fetuses of pregnant people who gained excess weight in the first trimester of pregnancy show signs of excess fat distribution in the upper arm and in the abdomen, according to a new study. These ...

Low vitamin D levels in the first trimester of pregnancy are associated with higher rates of preterm birth and decreased fetal length, according to a new study led by researchers in the Penn State ...

Findings suggest early pregnancy may be a critical window for maternal vitamin D in supporting fetal growth and reducing preterm birth risk Study: Maternal vitamin D status, fetal growth patterns, and ...

Your thyroid health in the first week of pregnancy plays a key role in your baby’s growth and your own well-being. Testing ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Researchers found no association between Z-drug use and overall birth defects in pregnant women during the first trimester.

Do you feel like you always have some space for more food during pregnancy? Pregnancy often comes with constant hunger that ...