Mar 19, 2024 · Fetal development is how a fetus grows during pregnancy. It begins at conception and ends at birth. Many changes occur to the fetus and the pregnant person in this time.

In human prenatal development, fetal development begins from the ninth week after fertilization (which is the eleventh week of gestational age) and continues until the birth of a newborn.

At the end of the tenth week of pregnancy (8 weeks after fertilization), the fetal stage begins. During this stage, the organs and systems that have already formed grow and develop as follows:

Jun 17, 2025 · This guide highlights fetal development week by week, from early heartbeats to birth milestones. Fetal development is a continuous, dynamic process that begins at conception and ends …

Apr 10, 2025 · Curious about how your baby is developing in the womb? Here's a breakdown of fetal development week by week.

Dec 7, 2025 · Fetal development from conception to term, including a gestational age calculator from the estimated due date and a fetal development critical periods chart.

Dec 7, 2025 · The Fetal Medicine Foundation is a Registered Charity that aims to improve the health of pregnant women and their babies through research and training in fetal medicine.

Aug 23, 2023 · Fetal development Learn how your baby is conceived and how your baby develops inside the mother's womb.

Mar 6, 2025 · Fetus A fetus is an unborn human between the embryonic stage of development and birth. A fetus normally forms within eight weeks (ten weeks gestation) of conception, which is the very …

Dec 19, 2025 · Biologists arbitrarily speak of the earliest stages of development of the fertilized egg as the embryonic period, which ends when the external form of the embryo begins to resemble clearly …