International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics · 2013
Risk factors and perinatal outcomes associated with idiopathic small for gestational age Taiwanese newborns.
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Hung Tai-Ho, Hsieh T'sang-T'ang, Lo Liang-Ming, Chiu Tsung-Hung, Hsieh Ching-Chang, Hsu Jenn-Jeih
Аннотация
OBJECTIVE: To determine risk factors and perinatal outcomes associated with small for gestational age (SGA) neonates among healthy pregnant women.
METHODS: A retrospective cohort study was conducted of 49 945 women who gave birth at Chang Gung Memorial Hospital, Taipei, Taiwan, after 24weeks of pregnancy. Idiopathic SGA newborns (n=3398) were characterized by a birth weight below the 10th percentile for mean weight corrected for GA and fetal sex.
RESULTS: Risk factors for idiopathic SGA newborns included hypercoiling of the umbilical cord (adjusted odds ratio [aOR], 3.3; 95% confidence interval [CI], 1.6-7.0); prior fetal death (aOR, 2.8; 95% CI, 2.0-3.9); primiparity (aOR, 1.5; 95% CI, 1.4-1.7); adolescent pregnancy (aOR, 1.5; 95% CI, 1.2-2.0), low prepregnancy weight (aOR, 1.6; 95% CI, 1.5-1.8), low prepregnancy body mass index (aOR, 1.1; 95% CI, 1.0-1.3); short stature (aOR, 1.3; 95% CI, 1.1-1.4); and entangled umbilical cord (aOR, 1.1; 95% CI, 1.0-1.3). Idiopathic SGA newborns correlated with increased risk of adverse perinatal outcomes, including fetal death, low Apgar scores, oligohydramnios, placental abruption, and admission to the neonatal intensive care unit.
CONCLUSION: Some risk factors for idiopathic SGA newborns were modifiable, suggesting potential implications for public health.
METHODS: A retrospective cohort study was conducted of 49 945 women who gave birth at Chang Gung Memorial Hospital, Taipei, Taiwan, after 24weeks of pregnancy. Idiopathic SGA newborns (n=3398) were characterized by a birth weight below the 10th percentile for mean weight corrected for GA and fetal sex.
RESULTS: Risk factors for idiopathic SGA newborns included hypercoiling of the umbilical cord (adjusted odds ratio [aOR], 3.3; 95% confidence interval [CI], 1.6-7.0); prior fetal death (aOR, 2.8; 95% CI, 2.0-3.9); primiparity (aOR, 1.5; 95% CI, 1.4-1.7); adolescent pregnancy (aOR, 1.5; 95% CI, 1.2-2.0), low prepregnancy weight (aOR, 1.6; 95% CI, 1.5-1.8), low prepregnancy body mass index (aOR, 1.1; 95% CI, 1.0-1.3); short stature (aOR, 1.3; 95% CI, 1.1-1.4); and entangled umbilical cord (aOR, 1.1; 95% CI, 1.0-1.3). Idiopathic SGA newborns correlated with increased risk of adverse perinatal outcomes, including fetal death, low Apgar scores, oligohydramnios, placental abruption, and admission to the neonatal intensive care unit.
CONCLUSION: Some risk factors for idiopathic SGA newborns were modifiable, suggesting potential implications for public health.