Not really nine months
Gestation length varies greatly
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/08/pregnantbelly_stat_teap_istock_FREE.png?fit=860%2C460&ssl=1)
Photo: Teap/iStockphoto; Graph source: A.M. Jukic et al/Human Reproduction 2013
Gestation length varies greatly
Photo: Teap/iStockphoto; Graph source: A.M. Jukic et al/Human Reproduction 2013