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Purpose: analysis of 2247 cases of premature Urumqi Maternal and Child Health Hospital medical records of patients retrospectively, explore the related risk factors for premature birth; then through 268 cases of pregnant women, bacterial vaginosis (bacterial vaglnosls, BV) screening and tracking The follow-up to the birth, in premature relationship with BV. Methods: a retrospective analysis of cases of preterm labor, Urumqi Maternal and Child Health Hospital from January 2004 to December 2009, compared with the hospital the same period in cases of term delivery, to find out the difference between the two groups significant factors, these factors Logistic regression analysis of risk factors associated with screening of preterm birth. 2, since January 2010, 268 cases of pregnant women with bacterial vaginosis rapid kit screening third trimester pregnant women, BV incidence of pregnancy and track positive pregnancy outcomes. Results: 1, 2004 to 2009, annual premature birth constitute respectively 6.6%, 6.4%, 5.4%, 6.1%, 7.6%, 10.5%, and no significant reduction in preterm birth constitutes more than in recent years, even showing an upward trend. Iatrogenic preterm birth, preeclampsia, placental factors due to of antenatal hemorrhage and fetal distress of their top three reasons; previous history of preterm, premature rupture of membranes (Premature rupure of membrane, PROM), antepartum hemorrhage, sub preeclampsia, abnormal fetal position, more than twins, surgical complications during pregnancy, polyhydramnios, and other risk factors for preterm birth. 2,268 cases of pregnancy in the late women detected in the BV 68 patients, BV during pregnancy the detection rate was 25.4%. During pregnancy the BV were premature incidence was significantly higher than normal pregnant women (p lt; 0.01). Metronidazole effervescent tablets in the treatment of bacterial vaginosis effective rate of 80.0%. Conclusion: 1, hospital premature makeup than in recent years, no obvious decrease even upward trend. 2 Preterm birth is the result of many factors. Age, history of preterm history of repeated miscarriages, the number of check-ups, and more / twins, premature rupture of membranes, antepartum hemorrhage, preeclampsia, fetal abnormalities, pregnancy surgical complications, polyhydramnios and uterine factors for premature related risk factors. 3, iatrogenic preterm preeclampsia, placental factors due to antepartum hemorrhage, fetal distress, mainly due to their top three. Iatrogenic preterm birth and spontaneous preterm birth, the main reason is different, but the premature birth in the etiology homogeneity from the cause can not be separated. 4, BV bacteriological showed normal genital tract flora (H202 producing Lactobacillus) reduction in the number and replaced by a group of anaerobic flora (Bacteroides, and Mycoplasma) increase in the number of clinical syndrome BV showed with preterm correlation. Pregnancy BV positive incidence of preterm birth was significantly higher. Treatment of pregnant women with BV reduce adverse perinatal outcome has positive significance.
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