MedlinePlus Medical Encyclopedia: Early weeks of pregnancy

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Early weeks of pregnancy

The first trimester of a pregnancy is a time of incredible growth and development. A 7-week fetus will have begun to develop all essential organs.

Update Date: 10/17/2006

Updated by: Benjamin W. Van Voorhees, MD, MPH, Assistant Professor of Medicine and Pediatrics, The University of Chicago, Chicago, IL. Review provided by VeriMed Healthcare Network.

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