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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 ...
A preterm birth, also known as premature birth, is defined as babies born alive before 37 weeks of pregnancy are completed. [40] There are three types of preterm births: extremely preterm (less than 28 weeks), very preterm (28 to 32 weeks) and moderate to late preterm (32 to 37 weeks). [40]
Late preterm infants are infants born at a gestational age between 34 + 0 ⁄ 7 weeks and 36 + 6 ⁄ 7 weeks. [1] They have higher morbidity and mortality rates than term infants (gestational age ≥37 weeks) due to their relative physiologic and metabolic immaturity, even though they are often the size and weight of some term infants.
A fetus born prior to the 37th week of gestation is considered to be preterm. A preterm baby is likely to be premature and consequently faces increased risk of morbidity and mortality. An estimated due date is given by Naegele's rule. According to the WHO, a preterm birth is defined as "babies born alive before 37 weeks of pregnancy are completed."
Weighing 11.9 ounces at 21 weeks, Richard Scott William Hutchinson, of Minnesota, broke the Guinness record as the most premature baby to survive.
Babies born before 37 weeks are "preterm" and at higher risk of health problems such as cerebral palsy. [4] Babies born between weeks 37 and 39 are considered "early term" while those born between weeks 39 and 41 are considered "full term". [4]
Curtis Zy-Keith Means was born in July 2020, exactly one month after the previous record holder. World’s most premature baby to survive stayed in hospital 275 days Skip to main content
The most babies are born in the summer, with an average of 12.25 births per day. Winter is not so surprisingly the least popular month for new children, with 11.39.