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 ...

If you find out you're pregnant, you might worry about having a few drinks with friends before or during the first few weeks ...

By Dr. Liji Thomas, MD By seamlessly tracking brain growth from the womb into early life, researchers uncover when key brain regions surge and how subtle sex differences emerge before birth. Study: ...

Early pregnancy diabetes can affect both mother and baby if left unmanaged. Here’s what it means, who is at risk, and how ...

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