(CNN) — If you are pregnant and use any form of cannabis product, consider stopping. That's the takeaway from a new study that found a significant health impact of marijuana use on fetal development ...

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 ...

A calm, practical first trimester toolkit with 5 foods, 4 habits, and 3 reminders you can use today to feel better and stay ...

A new study maps how prenatal stress alters immune signalling in the developing brain at a level of detail not seen before ...

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 ...

Pregnant women are often handed an overwhelming list of foods to avoid, yet far fewer conversations focus on what to include. The first trimester lays the groundwork for fetal development, leading to ...