About 24,900 results
Open links in new tab
  1. Pregnancy - NICHD - Eunice Kennedy Shriver National Institute of …

    Dec 30, 2020 · The events that lead to pregnancy begin with conception, in which a sperm penetrates an egg. The fertilized egg (called a zygote) then travels through the woman's …

  2. Trying to conceive - Office on Women's Health

    Sep 26, 2025 · How do you figure out when you're fertile and when you're not? Wondering if you or your partner is infertile? Read on to boost your chances of conception

  3. Preconception health

    Sep 26, 2025 · Preconception health is a woman's health before she becomes pregnant. It means knowing how health conditions and risk factors could affect a woman or her unborn

  4. What are some common signs of pregnancy? - NICHD

    Dec 30, 2017 · The primary sign of pregnancy is missing a menstrual period or two or more consecutive periods, but many women experience other symptoms of pregnancy before they …

  5. Feb 19, 2025 · Background President Donald Trump issued Executive Order 14168 on January 20, 2025, entitled “Defending Women from Gender Ideology Extremism and Restoring …

  6. Sex-Based Definitions - Office on Women's Health

    4 days ago · The sex of a human, female or male, is determined genetically at conception (fertilization), and is observable before birth. Having the biological function to produce eggs or …

  7. Women's Health Infographic: Conception (Text Alternative)

    Dec 30, 2017 · 6 Things to Know About Conception Graphic: A diagram indicating that peak fertility occurs between days 12 and 14 of an average 28-day menstrual cycle. Ovulation …

  8. Contraception - World Health Organization (WHO)

    Nov 3, 2025 · limited access to contraception a limited choice of methods a fear or experience of side-effects cultural or religious opposition poor quality of available services gender-based …

  9. About Pregnancy | NICHD - NICHD - Eunice Kennedy Shriver …

    Oct 28, 2013 · 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 months, as …

  10. Stages of pregnancy - Office on Women's Health

    Sep 26, 2025 · Pregnancy lasts about 40 weeks, counting from the first day of your last normal period. The weeks are grouped into three trimesters.