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.

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

5 days ago · Fetal development from conception to term, including a gestational age calculator from the estimated due date and a fetal development critical periods chart.

Our Maternal Fetal Health team specializes in comprehensive fetal testing that can diagnose many conditions during pregnancy, to create personalized care plans and begin treatment the moment …

Learn how your baby is conceived and how your baby develops inside the mother's womb. Zygote; Blastocyst; Embryo; Fetus. WEEK BY WEEK CHANGES. Gestation is the period of time between …

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 …

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.

Nov 3, 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 the …

Although each pregnancy is unique, fetal growth and development follow a pattern.