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 ...

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

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 ...

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

Ultrasounds are one of the most reassuring and exciting parts of pregnancy as they give you a first glimpse into the world of ...