Abstract：Objective To study the variation tendency of the rate of premature birth, preterm -related factors, mode of delivery, premature child birth weight and neonatal asphyxia in different gestational weeks, in an effort to reduce the incidence of preterm birth and improve the perinatal outcomes.Methods Data of 11 142 hospital delivery cases in General Hospital of Beijing Military command from January 2011 to December 2014 were collected. There were 930 cases of premature birth. Statistical analysis was performed of the tendency,the preterm -related factors,mode of delivery and the neonatal asphyxia in different gestational weeks of prematurity (very early preterm, early preterm,interim preterm,late preterm).Results In the four years,the rate of preterm birth was 8.35%. The four years premature birth incidence was 8.35%. Premature rupture of membranes was the first risk factor of different gestational weeks premature, the incidence in the order of 42.8%, 36.4%, 53.9%, 47.2%, 39.0%. Anemia, high blood sugar during pregnancy in the very early and early preterm had a high incidence. In the four years, the rate of the whole preterm cesarean section was 67.7%. The rate of neonatal asphyxia significantly decreased with the increase of gestational age, and the weight of the newborn increased significantly with the increase of gestational age (P<0.05).Conclusions Premature rupture of membranes is the first risk factor. We should attach great importance to screening and treatment of anemia and high blood sugar in the early pregnancy.
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ZHAO Qianqian, WANG Xin, SHANG Lixin, WANG Lili, and CHEN Min. Clinical analysis of 930 cases of preterm birth in a third A hospital. Med. J. Chin. Peop. Armed Poli. Forc., 2016, 27(4): 363-365.
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