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A fetus is the growing baby in the womb (uterus) from 10 completed weeks after a pregnant woman's last menstrual period until birth.
Current as of: May 29, 2019
Author: Healthwise Staff
Medical Review:Sarah A. Marshall, MD - Family Medicine & Adam Husney, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology, Reproductive Endocrinology