After getting that first positive pregnancy test, you may feel a rush of excitement…followed by a surge of nausea, and then the overwhelming urge to take a nap. The first trimester of a pregnancy can ...

Scanning for serious structural issues in fetuses during the first trimester can result in earlier detection of these issues, reports a new study led by Aris Papageorghiou at the University of Oxford, ...

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

Earlier research raised concerns about antibiotic use during the first trimester of pregnancy and risk for congenital malformations. In this study, the risk of malformation was higher for infants ...

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 ...

August 24, 2010 — Exposure to acyclovir or valacyclovir in the first trimester of pregnancy is not associated with an increased risk for major birth defects, according to the results of a large, ...

KUTV — The first trimester of pregnancy can bring a whirlwind of emotions, uncertainty, and physical changes. Whether you're feeling excited, overwhelmed, or somewhere in between, you're not alone — ...

Compared with unvaccinated pregnant women, those who had received an mRNA COVID vaccine in the first trimester did not have a significantly increased risk for major congenital malformations. However, ...

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 ...