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  1. Pregnancy - NICHD - Eunice Kennedy Shriver National Institute of Child ...

    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 fallopian tube to the …

  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. 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 occurs at about …

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

  5. Contraception and Birth Control - NICHD

    Sep 12, 2016 · Contraception allows for the prevention of pregnancy and for planning the timing of pregnancy. Some methods can also protect against infections. Modern methods of contraception …

  6. Periconceptional folic acid supplementation to prevent neural tube …

    Aug 9, 2023 · The nutritional status of women prior to and during pregnancy plays a key role in fetal growth and development. Poor nutritional status in a woman in the period before she conceives and …

  7. 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.

  8. Women's Health Infographic: Conception - NICHD

    Dec 30, 2017 · Women's Health Infographic: Conception Text Alternative Infographic PDF (266 KB) | Infographic JPG (1.2 MB) Copy and paste the code below to embed this infographic.

  9. 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 sperm …

  10. Rape - Office on Women's Health

    Feb 15, 2021 · Rape is a type of sexual assault that includes sexual penetration, no matter how slight, without consent. Although other types of sexual assault may be done by men or women, rape is …