Labor beginning before 37 completed weeks of pregnancy (35 weeks after conception) is considered premature, or preterm labor. If labor cannot be stopped, a preterm birth may result. Preterm birth is the biggest single cause of infant morbidity (disease and disability) and death in the United States.
labor that begins before the 37th week of pregnancy.
Labor that starts before the 37th week of pregnancy. Since most pregnancies last between 37 and 42 weeks, preterm labor leading to preterm delivery, may put your baby at risk for health problems.
Labor that starts after 20 weeks but before the end of the 37th week
Labor that occurs prior to 37 weeks; will be treated if less than 35 weeks gestation.
Labor that begins after 20 weeks, when the fetus is considered viable, andbefore the 37th week, when the baby is considered full-term. Prompt medicaltreatment can occasionally halt or postpone early labor, improving thebaby's chances for survival.
Contractions that start opening the cervix before week 37 of pregnancy; also called premature labor.
Labor that begins after 20 weeks and before 37 weeks gestation. Prompt medical treatment can sometimes halt or postpone early labor, improving the baby's chances for survival.
More than four uterine contractions in an hour before 36 weeks of pregnancy. The true definition of Preterm labor is cervical change.
Labor starting before 37 weeks' gestation.