Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Gestation period
Introduction
Overview
Overview
The Gestation period in a viviparous animal is the length of its gestation. In humans this is 266 days (38 weeks), but varies for other animals. Gestation period is measured from conception to birth.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]