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 ...

New research suggests fluoride exposure during pregnancy could be linked to neurobehavioral issues in kids. But even the study’s authors — who were prompted to examine the issue based on previous ...

Some terms commonly used to describe observations seen on ultrasound during first-trimester pregnancies are outdated and should be replaced with more descriptive language, a multisociety panel of ...

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 ...

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 ...