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

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.

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

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.

The actual embryo or fetal age (also known as conceptual age) is the time elapsed from fertilization of the egg near the time of ovulation .

Stages of Fetal Development - Explore from the MSD Manuals - Medical Consumer Version.

During pregnancy, the fetal lungs are not used for breathing—the placenta does the work of exchanging oxygen and carbon dioxide through the mother's circulation. With the first breaths …

Want to learn more about the stages of fetal development? Visit the American SPCC learning center to view fetal development by week, plus explore our fetal development timeline.

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 …

3 days ago · The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week …