Premature birth - Symptoms and causes - Mayo Clinic
网页2024年3月22日 · A premature birth means a baby is born too early. The birth takes place before the 37th week of pregnancy. A typical pregnancy lasts about 40 weeks. Premature babies often have serious health problems, especially when they're born very early. These problems often vary.
Preterm Birth | Maternal Infant Health | CDC - Centers for …
网页2024年5月15日 · Preterm birth is when a baby is born too early, before 37 weeks of pregnancy have been completed. In 2022, preterm birth affected about 1 of every 10 infants born in the United States.
Preterm birth - World Health Organization (WHO)
网页2023年5月10日 · Preterm is defined as babies born alive before 37 weeks of pregnancy are completed. There are sub-categories of preterm birth, based on gestational age: extremely preterm (less than 28 weeks) very preterm (28 to less than 32 weeks) moderate to late preterm (32 to 37 weeks).
Preterm Birth: Premature, Causes, Symptoms & Complications
网页When a baby is born before 37 weeks of pregnancy, it’s called premature or preterm birth. The earlier the birth, the more serious the health risks to the baby. Some of the common risks include breathing problems and trouble maintaining temperature. Preterm infants may need special care in a NICU.
Preterm Infants - Preterm Infants - Merck Manual Professional Edition
网页An infant born before 37 weeks of gestation is considered preterm. In 2021 in the United States, 10.48% of births were preterm (1), and in 2018, 26.53% of births were early term (significantly increased from 26% in 2017) (2).
Premature birth - Diagnosis and treatment - Mayo Clinic
网页2024年3月22日 · Here's what you need to know about caring for a premature baby and the possible health problems of a preterm birth.
Prematurity - Stanford Medicine Children's Health
网页A baby born before 37 weeks of pregnancy is considered premature or born too early. Other terms used for prematurity are preterm and preemie. The number of premature births in the U.S increased from 1990 to 2006 and has since been declining.
Premature Birth: Causes, Preemie Effects, Survival - Verywell Health
网页2023年9月12日 · Premature birth (preterm birth) occurs when a baby is born before 37 weeks gestation (weeks of pregnancy). Babies born prematurely (sometimes called preemies) may have a higher risk of certain health problems than babies born around their due …
Prematurity - Children's Hospital of Philadelphia
网页Premature infants born between 34 and 37 weeks of pregnancy are often called late preterm or near-term infants. Late preterm infants are often much larger than very premature infants but may only be slightly smaller than full-term infants.
Preterm and low birth weight infants - World Health Organization …
网页Preterm infants are born at less than 37 weeks gestational age and low birth weight infants are born with a birth weight below 2.5kg regardless of gestational age. An estimated 15 million newborns are born preterm and more than …