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[Background] mother and baby's health status reflects not only their own health problems, but also to reflect the overall health of the social crowd, reflect the overall level of the entire country's political, economic, and cultural. Maternal and child health is directly related to social stability, the stability of the family, the child's survival and development, so it has special significance. Therefore, this thesis has selected the close relationship between pregnant women with anemia, premature rupture of membranes, and cesarean section three, and maternal and child health aspects, are discussed. [Objective] the total Objective: To understand the relevant circumstances of women in pregnancy and childbirth, mainly includes three parts: pregnant women with anemia, cesarean delivery and premature rupture of membranes. Specific purposes: 1. Understanding of pregnancy with the incidence of anemia and its population, regional and seasonal distribution. Understanding of the relationship between pregnant women with anemia and pregnancy, other complications and birth outcomes of 3. Understanding of premature rupture of membranes incidence crowd main factors for regional distribution. understand premature rupture of membranes of the mother, fetus, and newborn. understand our cesarean section rate and its population, the geographical distribution of 6. understanding of cesarean section or not Read our indications for cesarean section [method] In this study, the epidemiology of the current status of research, we will fill excerpt obstetric cases self-designed cases excerpt card to understand women's pregnancy and delivery. 1 study design intentionality selection of three provinces, each province to select two counties (cities) as our research site. The sample size of each county (city) 3000,6 counties (cities) a total of 18,000. The samples are to own a complete archive of the full year 2008 of each month obstetric medical records. First, from the county (city) level medical and health institutions has a complete archive of each month throughout the year 2008 in the obstetric medical records of a random sample until the sample size; Second, as the county (city) level medical and health institutions obstetric cases unable to meet The sample size taken in accordance with the method of cluster sampling township hospital, until the sample size up to meet the survey to develop cases excerpt card \Uniform training the \dystocia history, history of preterm delivery, spontaneous abortion, induced abortion, stillbirth history, stillbirths; 3. pregnancy situation: for check, disease occurrence, production (whether dystocia, production methods, cesarean reason ) 4. newborns: birth gestational age, sex, birth weight, length, Apgar scores, birth outcome. [Results] pregnant women with anemia anemia incidence rate of 23.2%. The incidence of the different demographic characteristics of pregnant women with anemia of pregnancy statistical tests, different ages, different occupations, different birth history, P values ??obtained by the different history of abortion were 0.252,0.000,0.000,0.000. Sichuan, Anhui and Henan provinces, the incidence of pregnant women with anemia was 14.4%, 26.2% and 30.5%, respectively. Six counties and cities in Henan Biyang the highest incidence of 40.7%, 7.9% the Anhui shehong minimum. The incidence of anemia during pregnancy curves peak in June-August (summer), the incidence of anemia were 26.9%, 26.3%, 26.3%; the morbidity curve of trough in December, January and February (winter), the incidence of anemia rates were 20.7%, 19.8% and 21.8%, respectively. Univariate Logistic regression, summer, autumn, winter control, OR values ??were 1.256 (1.124-1.403), 1.304 (1.168-1.456), 1.113 (0.997-1.243). Career for the farmers of the pregnant women, the incidence of anemia during pregnancy in winter is lower than in spring, summer, and winter compared to the spring, summer and autumn, the OR values ??were 1.305 (1.153-1.477), 1.347 (1.191-1.522). Anemia during pregnancy and pregnancy-induced hypertension, statistical analysis of the relationship between the difficult labor, premature birth, neonatal asphyxia, low birth weight infants, stillbirth P values ??were 0.000,0.000,0.000,0.017,0.005,0.001. Birth weight, length and hemoglobin level of the mother during pregnancy related analysis, the r values ??were 0.033 and 0.055, P values ??were 0.000 and 0.000. Premature rupture of membranes in the number of cases of premature rupture of membranes in this study in 2199, premature rupture of membranes incidence of 12.9%. Premature rupture of membranes incidence in different abortion history, history of delivery, whether in high-risk pregnancy and gestational age of the crowd is different P values ??were 0.000,0.000,0.001,0.000. Premature rupture of membranes incidence of Sichuan, Anhui and Henan provinces, respectively, 15.6%, 15.7%, and 7.8%, respectively. Six counties and cities in Sichuan the Shehong and Anhui Bengbu premature rupture of membranes a higher incidence of 25.1% and 20.7%, respectively. PROM group cesarean delivery, fetal distress, premature birth and neonatal asphyxia rate higher than that in the control group, P values ??were 0.000,0.001,0.000,0.000,0.000. The number of cases of cesarean section cesarean section for 9174, the incidence rate of 53.9%. Cesarean section rate in different ages and where they are residing, different occupations, different pre-pregnancy BMI, the number of different abortion, delivery times, whether it is a high-risk pregnancy, cesarean section rate in populations of different gestational age, different neonatal weight are different, the P value: 0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.013,0.000. More than 30-year-old maternal cesarean section rate is less than 30 pairs of 1.266 times the maternal; urban population occurred cesarean section rate is 1.449 times that of the rural population; cesarean section rate of maternal high-risk pregnancy is no high-risk pregnancy 5.651 times the maternal high-risk pregnancy maternal cesarean main risk factors. Sichuan, Anhui and Henan provinces, the cesarean section rate of 61.4%, 49.7%, and 50.0%, respectively. The cesarean section rate in six counties and cities in Sichuan shehong up to 66.1%. Hospital-level comparison, two hospitals and three hospitals in Bengbu comparison, P = 0.000; Anhui Mengcheng a hospital and two hospital comparison, P = 0.000; Henan Nanle a hospital and 2 level hospitals to compare, P = 0.000; compare of Henan Biyang a hospitals and two hospital, P = 0.000. [Conclusion] The incidence of anemia in pregnant women during pregnancy the obvious seasonal distribution; anemia during pregnancy and pregnancy-induced hypertension, obstructed labor, premature birth, neonatal asphyxia, low birth weight infants, stillbirth; mother during pregnancy hemoglobin and newborn child birth weight, length, there was a significant association; neonatal anemia group average birth weight, the average gestational age of less than non-anemic group. Cesarean section rate is much higher than the level advocated by the World Health Organization; cesarean section rate is different in different populations; higher-level hospital cesarean section rate is relatively high. 3. Premature rupture of membranes incidence in different populations. If premature rupture of membranes will lead to a cesarean delivery, fetal distress, increased incidence of premature birth and neonatal asphyxia.
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