Symptoms and Signs of Pregnancy Week by Week

Medical Author:
Medically Reviewed on 11/10/2022

Doctor's Notes on Pregnancy Week by Week

A normal pregnancy lasts 40 weeks and is divided into three stages known as trimesters. The first trimester refers to weeks 1-12 of the pregnancy. The second trimester refers to weeks 13-28, and the third trimester refers to weeks 29-40. There are characteristic signs and symptoms of each stage of pregnancy, although women may vary in the degree, type, and intensity of their symptoms.

Symptoms associated with the first trimester include:

In the second trimester, a woman may experience relief from nausea and fatigue. Symptoms and signs of the third trimester may include:

  • heartburn,
  • swelling of the ankles,
  • trouble sleeping, and
  • feeling the baby “drop” or move lower into the abdomen.

What Is the Treatment for Pregnancy Symptoms?

There are many steps you can take to help relieve pregnancy symptoms, including the following:

  • Eat small, frequent meals to decrease nausea and heartburn
  • Drinking mint or chamomile teas to relieve nausea
  • Sleeping on your side late in pregnancy
  • Using heat, cold, or massage therapy for back pain
  • Getting adequate rest
  • Wearing a support bra for breast tenderness
  • Exercising as approved by your doctor

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.