What factors can trigger preterm pregnancy?
Preterm pregnancy may be more likely in women who: Are under 20 years of age; Have had a previous preterm birth; Have had cervical surgery; Have certain medical conditions such as kidney disease; Are underweight, or; Are carrying twins or triplets.
Author: Nikki Wallis
First answered: 18 Nov 2014
Last reviewed: 19 May 2018
Rating: 4.2/5 Votes: 728