
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 …
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
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
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 …
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.
Periconceptional folic acid supplementation to prevent neural …
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 …
Sex-Based Definitions - Office on Women's Health
Aug 21, 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 …
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 …
Treatments for Infertility Resulting from PCOS - NICHD
Jul 26, 2024 · In many cases, fertility problems related to PCOS result from the absence of ovulation (anovulation). But anovulation may not be the only factor in these problems.
Feb 19, 2025 · Background President Donald Trump issued Executive Order 14168 on January 20, 2025, entitled “Defending Women from Gender Ideology Extremism and Restoring …