Are there different types of premature birth?
Premature birth is defined as a baby being born before 37 weeks of pregnancy. There are sub-types of premature birth that are defined by the amount of time spent in the womb. These include: moderate to late preterm, which is a pregnancy between 32 and 37 weeks' duration; very preterm, which is a pregnancy between 28 and 32 weeks' duration, and; extremely preterm, which is a pregnancy not longer than 28 weeks' duration.
Author: Bow Tauro
First answered: 24 Nov 2014
Last reviewed: 19 May 2018
Rating: 4.5/5 Votes: 1184