What is the first trimester, exactly? The first trimester is the first of three phases (or trimesters) of pregnancy. It's a critical stage in your pregnancy journey and your baby's development. While ...

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 ...

Hot weather can be more than just uncomfortable and annoying: New research finds it can impact an infant's development both before and after birth. Babies are more likely to be delivered at low birth ...

When I first got pregnant, I thought I had this whole nutrition thing figured out. I was that person meal-prepping on Sundays, taking my vitamins religiously, feeling pretty smug about my healthy ...

Crucially, these maternal improvements were accompanied by developmental benefits in infants ...

Labcorp is now the only lab that can detect preeclampsia risk across all pregnancy trimesters "Our organization celebrates this innovative new test offering," said Eleni Tsigas, Chief Executive ...

Getting an mRNA COVID-19 shot during the first trimester of pregnancy didn't lead to an increased risk of major structural birth defects, a multisite retrospective cohort study found. Major structural ...