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[산부인과학] 조산(preterm birth)

저작시기 2005.01 |등록일 2005.07.31 한글파일한컴오피스 (hwp) | 4페이지 | 가격 300원

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Definitions
Impact of preterm birth
Cause of preterm birth
Identification of women at risk for preterm birth
Diagnosis
Antepartum management
Methods used to inhibit preterm labor
Potential complications of tocolytic agents

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Definitions
Prematurity : 2500g or less
born at 37weeks or less
- low birth weight : 2500g or less
- very low birth weight : 1500g or less
- extremely-low birth weight : 1000g or less
- gestational age에 따라 : preterm, term, postterm
- size : small for GA : below the 10 percentile for GA (IUGR)
appropriate-for GA : between the 10th and 90th percentile
large for GA : above the 90 percentile

Impact of preterm birth
- neonatal survival : influenced by GA and maturity rather than simply by birth weight
- lower limit of survival : 26주 전 probability of neonatal death 는 75%이상
- upper limit of significant prematurity :
neonatal mortality threshold : 1600g
neonatal morbidity threshold : 1900g
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