Definitions for "Preterm Labor"
Keywords:  premature, labor, gestation, week, halt
Also known as premature labor, is when a women begins having regular contractions that causes her cervix to start to open or thin out (called dilation and effacement) before reaching 37 weeks of pregnancy.
Also premature labor; labor occurring before 37 full weeks of pregnancy.
Labor that starts before the end of 37 weeks of pregnancy.