Normal Pregnancy: First Trimester

Normal Pregnancy: First Trimester

Fetal development in the first trimester

The first trimester lasts from week 1 through week 12.

ByHealthwise StaffPrimary Medical Reviewer Sarah A. Marshall, MD - Family Medicine Adam Husney, MD - Family Medicine Kathleen Romito, MD - Family Medicine Kirtly Jones, MD - Obstetrics and Gynecology, Reproductive Endocrinology

Current as ofMarch 27, 2018

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