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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
    Premature or early birth can pose serious health risks to a newborn baby That’s because many organs like the brain, lungs and liver, are still growing and developing in the final weeks of pregnancy A premature baby may have trouble staying warm or feeding and may be at risk for developmental delays later in life
  • Preterm Birth | Maternal Infant Health | CDC
    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 - 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 Learn more about prematurity, including causes, risks, symptoms, diagnosis, and treatment
  • Preterm birth - Wikipedia
    Preterm infants usually show physical signs of prematurity in reverse proportion to the gestational age As a result, they are at risk for numerous medical problems affecting different organ systems
  • Preterm Birth: An Overview - PMC
    Premature births occur before the 37th week of pregnancy, though local variations exist in the low-gestational age cutoff that distinguishes them from spontaneous abortion [1] Preterm deliveries cause more than half of long-term morbidity and 75% of perinatal mortality





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