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Why are baby's premature?

Updated: 8/17/2019
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14y ago

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  • maternal factors-
    • Preeclampsia (high blood pressure during pregnancy)
    • Chronic medical illness (ex. Heart or kidney disease)
    • Infection (ex. group B streptococcus, urinary tract infection, vaginal infections, infections of fetal/placental tissues…)
    • Drug use
    • Abnormal structure of uterus
    • Cervical incompetence (inability of cervix to stay closed during pregnancy)
    • Previous preterm birth
  • Factors involving pregnancy:
    • Abnormal/decreased function of placenta
    • Placenta previa (low lying position of placenta)
    • Placental abruption (early detachment from uterus)
    • Premature rupture of membranes (amniotic sac)
    • Polyhydramnios (too much amniotic fluid)
  • Factors involving fetus:
    • When fetal behavior indicates the environment within the uterus is not healthy
    • Multiple babies (twins, triplets, etc.)
"Prematurity." University of Virginia Health System. Web. 7 Jan. 2010. http://www.healthsystem.Virginia.edu/uvahealth/peds_hrnewborn/prematur.cfm.
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14y ago
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14y ago

Baby's are premature because the don't get enough time to develop(grow) and they don't always get as much oxygen as needed.
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