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Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. [1] Extreme preterm [ 2 ] is less than 28 weeks, very early preterm birth is between 28 and 32 weeks, early preterm birth occurs between 32 and 34 weeks, late preterm birth is ...
644 Early or threatened labor. 644.0 Threatened premature labor; 644.1 Other threatened labor; 644.2 Early onset of delivery; 645 Prolonged pregnancy. 645.1 Post term pregnancy; 645.2 Prolonged pregnancy; 646 Other complications of pregnancy, not elsewhere classified 646.0 Papyraceous fetus; 646.1 Edema or excessive weight gain in pregnancy ...
Incidence of preterm delivery is approximately 12%, and preterm births are a significant contributing cause of unplanned emergency delivery. [10] Pre-term labor is defined as occurring before 37 weeks, and risks for pre-term labor include pregnancy with multiple fetuses, prior history of premature labor, structural abnormalities of the cervix ...
More and more data has since backed up Basu’s initial findings: Preterm birth rates jump one percent after four straight days of high heat, according to a study in the Journal of the American ...
Gestational diabetes increases risk for further maternal and fetal complications such as development of pre-eclampsia, need for cesarean delivery, preterm delivery, polyhydramnios, macrosomia, shoulder dystocia, fetal hypoglycemia, hyperbilirubinemia, and admission into the neonatal intensive care unit.
Risk factors include previous maternal infection, preterm delivery (< 37 weeks gestation) and premature rupture of membranes (breakage of the amniotic sac) which substantially increases the risk of neonatal sepsis by allowing passage for bacteria to enter the womb prior to the birth of the infant. Preterm or low birth weight neonates are more ...
Birth normally occurs at a gestational age of about 40 weeks, though it is common for births to occur from 37 to 42 weeks. [6] Labor occurring prior to 37 weeks gestation is considered preterm labor and can result from multiple factors, including previous preterm deliveries.
According to the WHO, a preterm birth is defined as "babies born alive before 37 weeks of pregnancy are completed." [20] According to this classification, there are three sub-categories of preterm birth, based on gestational age: extremely preterm (fewer than 28 weeks), very preterm (28 to 32 weeks), moderate to late preterm (32 to 37 weeks). [20]