Fetal development: What happens during the first trimester?

Fetal development begins before you even know you’re pregnant. Here’s a weekly calendar of events for the first trimester of pregnancy.
You’re pregnant. Congratulations! You’ll undoubtedly spend the months ahead wondering how your baby is growing and developing. What does your baby look like? How big is he or she? When will you hear the heartbeat?

Prenatal care: What to expect during the first trimester

Pregnancy and prenatal care go hand in hand. During the first trimester, prenatal care includes blood tests, a physical exam, conversations about lifestyle and more.
Prenatal care is an important part of a healthy pregnancy. Whether you choose a family physician, obstetrician or nurse-midwife, prenatal care is the key to monitoring your health — and your baby’s health — throughout your pregnancy. Here’s what to expect at the first few prenatal appointments.

First trimester pregnancy: What to expect

First trimester pregnancy can be overwhelming. Understand the changes you may experience and how to take care of yourself during this exciting time.
First trimester pregnancy is marked by an invisible — yet amazing — transformation. Knowing what first trimester pregnancy changes to expect can help you face the months ahead with confidence.