Fetal Development

Fetal Development answers your questions about the changes that take place in the womb during pregnancy. Learn about each of the three trimesters and the developmental milestones that occur in each.

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Explore the stages of pregnancy with these pictures and get a first-hand look at developing fetuses and ultrasound technology. Do you know what fundal height is or when the limbs are developed? Take a look and find out.

The journey of the fetus through pregnancy is a complex and fascinating miracle that scientists have broken into three phases -- the three trimesters that represent a nine-month pregnancy. Learn how a fetus grows

By Elizabeth Eden