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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 ...
The incidence decreases with advancing gestational age, from about 50% in babies born at 26–28 weeks to about 25% at 30–31 weeks. The syndrome is more frequent in males, Caucasians, infants of diabetic mothers and the second-born of premature twins. [7]
The infant's birth weight was 4 pounds 10 + 1 ⁄ 2 ounces (2.11 kg). [5] He was the first child born to a serving U.S. president and first lady since the 19th century. [1] [6] Shortly after birth, Kennedy developed symptoms of hyaline membrane disease (HMD), now called infant respiratory distress syndrome (IRDS). It was detected by breathing ...
IUGR is more common in preterm infants than in full term (37–40 weeks gestation) infants, and its frequency decreases with increasing gestational age. Relative to premature infants who do not exhibit IUGR, premature infants with IUGR are more likely to have adverse neonatal outcomes, including respiratory distress syndrome, intraventricular ...
As of 2022, the world record for the lowest gestational age newborn to survive is held by Curtis Zy-Keith Means, who was born on 5 July 2020 in the United States, at 21 weeks and 1 day gestational age, weighing 420 grams. [5] A preterm birth, also known as premature birth, is defined as babies born alive before 37 weeks of pregnancy are ...
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.
Preterm birth is the birth of an infant at fewer than 37 weeks gestational age. Globally, about 15 million infants were born before 37 weeks of gestation. [152] Premature birth is the leading cause of death in children under five years of age though many that survive experience disabilities including learning defects and visual and hearing ...
The CDC and National Birth Defect Project studied the incidence of birth defects in the US. Key findings include: [ citation needed ] Down syndrome was the most common condition with an estimated prevalence of 14.47 per 10,000 live births, implying about 6,000 diagnoses each year.