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prematurity    
n. 早熟,过早,早开花

早熟,过早,早开花

prematurity
n 1: the state of being premature [synonym: {prematureness},
{prematurity}]

Prematurity \Pre`ma*tu"ri*ty\, n. [Cf. F. pr['e]maturit['e].]
The quality or state of being premature; early, or untimely,
ripeness; as, the prematurity of genius.
[1913 Webster]


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  • Premature birth - Symptoms and causes - Mayo Clinic
    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 But the earlier a baby is born, the higher the risk of health challenges
  • Preterm Birth: Premature, Causes, Symptoms Complications
    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 What is premature birth?
  • Preterm birth - World Health Organization (WHO)
    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: moderate to late preterm (32 to 37 weeks)
  • Prematurity - Stanford Medicine Childrens Health
    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 Twins and other multiples are more likely to be premature than single birth babies
  • Preterm Birth | Maternal Infant Health | CDC - Centers for Disease . . .
    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 The preterm birth rate declined 1% from 2021 to 2022, to 10 4%, following an increase of 4% from 2020 to 2021
  • Preterm birth - Wikipedia
    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]
  • Prematurity: Practice Essentials, Background, Pathophysiology - Medscape
    Prematurity is a term for the broad category of neonates born at less than 37 weeks' gestation Preterm birth is the leading cause of neonatal mortality and the most common reason for antenatal
  • Preterm Infants - Pediatrics - MSD Manual Professional Edition
    Preterm infants, even late preterm infants who are the size of some full-term infants, have increased morbidity and mortality compared to full-term infants because of their prematurity Prematurity is defined by the gestational age at birth
  • UpToDate
    Prematurity is defined as a birth that occurs before 37 completed weeks (less than 259 days) of gestation It is associated considerable risk of morbidity and mortality, particularly among extremely preterm infants (ie, gestational age [GA] <28 weeks)
  • World Prematurity Day: What is preterm birth, causes and more - HealthShots
    Preterm birth is a leading cause of infant mortality worldwide This World Prematurity Day, let's understand why this happens and how to prevent it





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