
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 …
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
About Pregnancy | NICHD - NICHD - Eunice Kennedy Shriver …
Oct 28, 2013 · 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 …
Feb 19, 2025 · Background President Donald Trump issued Executive Order 14168 on January 20, 2025, entitled “Defending Women from Gender Ideology Extremism and Restoring …
Contraception - World Health Organization (WHO)
Nov 28, 2025 · Family planning allows people to attain their desired number of children, if any, and to determine the spacing of their pregnancies. It is achieved through use of contraceptive …
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 …
Eunice Kennedy Shriver National Institute of Child Health and …
Sep 12, 2016 · Barrier —physically interferes with conception by keeping the egg and sperm apart Hormonal —regulates ovulation by changing the balance of hormones related to development …
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 …
What are some possible causes of female infertility?
Oct 17, 2016 · Causes of female infertility can include failure to ovulate, menstrual cycle problems, structural problems, infections, and implantation failure.
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.