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
Preconception care: Maximizing the gains for maternal and child …
Feb 15, 2013 · Overview A new WHO report shows that preconception care has a positive impact on maternal and child health outcomes (1). Addressed primarily at health professionals …
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 …
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 …
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.
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 …
Background President Donald Trump issued Executive Order 14168 on January 20, 2025, entitled “Defending Women from Gender Ideology Extremism and Restoring Biological Truth to the …
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.