Your First Trimester

Getting enough folic acid can reduce the risk for neural tube defects (NTDs) and may also reduce the risk for other serious birth defects of the brain and spinal cord.

First trimester screening combines fetal ultrasound and blood tests for the mother. It’s done during the first trimester of pregnancy, during weeks 1 to 12 or 13. It can help find out the risk of the fetus having certain birth defects.

Managing headaches is especially tricky in the first trimester. This is a time when you should stay away from many medicines.

For many people, the extreme tiredness of the first trimester is quite a surprise. And it's an especially hard transition for those who are normally go-getters with lots of energy. Learn more about what causes this fatigue--and what to do to feel better.