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  1. About Pregnancy | NICHD - NICHD - Eunice Kennedy Shriver National ...

    Oct 28, 2013 · About Pregnancy Pregnancy is the term used to describe the period in which a fetus develops inside a woman's womb or uterus. Pregnancy usually lasts about 40 weeks, or just over 9 …

  2. Symptoms of pregnancy: What happens first - Mayo Clinic

    Mar 13, 2024 · Are you pregnant? Tender breasts, nausea and fatigue are just a few early symptoms of pregnancy. Find out about these and less obvious pregnancy signs.

  3. Pregnancy week by week Healthy pregnancy - Mayo Clinic

    Nov 4, 2022 · Whatever your questions, understanding pregnancy as the weeks and months go by can help you make good choices throughout your pregnancy. Learn nutrition do's and don'ts. Get the …

  4. 1st trimester pregnancy: What to expect - Mayo Clinic

    Feb 27, 2024 · During the first few months of pregnancy, amazing changes happen quickly. This part of pregnancy is called the first trimester. Knowing what physical and emotional changes to expect can …

  5. Fetal development: The first trimester - Mayo Clinic

    Mar 18, 2025 · As your pregnancy goes on, you may wonder how your baby is growing and developing. Use this information to follow along with what's happening week by week during the first 12 weeks of …

  6. Pregnancy week by week First trimester - Mayo Clinic

    Nov 4, 2022 · The first few months of pregnancy — the first trimester — are marked by rapid changes. During the first trimester, physical changes may include breast tenderness, fatigue and nausea. …

  7. Pregnancy diet: Focus on these essential nutrients - Mayo Clinic

    Jan 31, 2025 · Find out how to pack your pregnancy diet with essential nutrients, including folate, iron and vitamin D.

  8. Ectopic pregnancy - Symptoms and causes - Mayo Clinic

    Mar 12, 2022 · However, some women who have an ectopic pregnancy have the usual early signs or symptoms of pregnancy — a missed period, breast tenderness and nausea. If you take a pregnancy …

  9. Medicine concerns during pregnancy - Mayo Clinic

    Nov 19, 2024 · Pregnancy may change the way your body uses and responds to certain medicines. Changes in the medicine dose or additional monitoring may be necessary. The use of any over-the …

  10. What infections can affect pregnancy? - NICHD

    Dec 30, 2020 · Although its symptoms are usually mild, Zika infection during pregnancy can cause pregnancy loss and other pregnancy complications, as well as congenital anomalies and other …