Ck 12: Life Science: Pregnancy and Childbirth

[Free Registration/Login may be required to access all resource tools.] While a woman is pregnant, the developing baby may be called an embryo or a fetus. The embryo stage lasts until the end of the 8th week after fertilization. After that point until birth, the developing baby is called a fetus. Learn more about pregnancy and childbirth in this learning module produced by CK-12.