Not really nine months | Science News

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


Science Stats

Not really nine months

12:21PM, August 23, 2013

Gestation length varies greatly

The length of human pregnancy varies naturally by five weeks, researchers have found. A new study followed 125 women from conception to live single births and found the longest pregnancies in women who were older, had previously had long pregnancies or were themselves heavier at birth.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content