Conception can occur only in the 6 days before ovulation through the day of ovulation.

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 …

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.

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 …

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

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 …

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 …

Apr 12, 2012 · Taking folic acid prior to conception can reduce the risk for neural tube defects, a primary goal of NICHD research. Reducing the risk of complications during pregnancy. NICHD seeks to …

Sep 25, 2025 · Prenatal care is the health care you get while you are pregnant.

Feb 12, 2026 · Sexual health cannot be defined, understood or made operational without a broad consideration of sexuality, which underlies important behaviours and outcomes related to sexual …