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  1. 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

  2. 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 …

  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. 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 …

  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

    Nov 14, 2025 · 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. Contraception - World Health Organization (WHO)

    Nov 28, 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 …

  8. 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 …

  9. 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 …

  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.