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 ...

You count the days between snacks you can keep down and the subsequent appointment circled on your calendar. Weeks 6 to 10 crawl by in a blur of crackers on the nightstand, early bedtimes and ...