Pregnancy is a period of up to 41 weeks in which a fetus develops inside a woman’s womb. NICHD conducts and supports research and training to help promote healthy pregnancies, with a focus on …

Oct 28, 2013 · About Pregnancy Pregnancy is the term used to describe the period in which a fetus develops inside a woman's womb or uterus. Pregnancy usually lasts about 40 weeks, or just over 9 …

Dec 24, 2025 · Whatever your questions, understanding pregnancy as the weeks and months go by can help you make good choices throughout your pregnancy. Learn nutrition do's and don'ts. Get the …

Dec 30, 2020 · Pregnancy is a period of up to 41 weeks in which a fetus develops inside a woman’s womb. NICHD conducts and supports research and training to help promote healthy pregnancies, …

Mar 13, 2024 · Could you be pregnant? The proof is in the pregnancy test. But even before you miss a period, you might suspect — or hope — that you're pregnant. Know the first signs and symptoms of …

Mar 18, 2025 · Fetal development starts soon after conception. Find out how your baby grows and develops during the first trimester.

May 20, 2016 · Having a healthy pregnancy is one of the best ways to promote a healthy birth. Getting early and regular prenatal care improves the chances of a healthy pregnancy. This care can begin …

Jan 5, 2016 · Once you're pregnant, early and regular prenatal care is important to keep yourself and your developing infant healthy.During your first prenatal visit, your health care provider may talk to …

Nov 1, 2023 · If your home pregnancy test is positive, make an appointment with your healthcare professional. You also might want to try a pregnancy due date calculator. When you're pregnant, …

Dec 24, 2025 · Cuando descubras que estás embarazada, es posible que comiences a planificar tu embarazo semana tras semana. Y puede que todos los días tengas más preguntas sobre un …