نتایج جستجو برای: vaginal birth
تعداد نتایج: 148208 فیلتر نتایج به سال:
The relation between periconceptional vaginal permicide use and sex ratio at birth, birth weight, and the frequency of congenital anomalies was examined in a cohort of 2,712 New York City obstetric patients, 149 of whom (5.5 per cent) became pregnant while using spermicides or had used spermicides before and after conception. Periconceptional spermicide use was not associated with any important...
OBJECTIVE This study was undertaken to compare maternal outcomes at 2 years postpartum after planned cesarean section and planned vaginal birth for the singleton fetus in breech presentation at term. STUDY DESIGN In selected centers in the Term Breech Trial, mothers completed a structured questionnaire at 2 or more years postpartum to determine their health in the previous 3 to 6 months. RE...
Based on the perception that episiotomy prevents obstetric trauma, the procedure is liberally performed in U.S. Hospitals. Using linked Nevada Birth Registry and Nevada Impatient Hospital Discharges (2000 to 2005), we applied descriptive analyses and logistic regression to examine the status of Nevada episiotomy practice and its impact on birth trauma for mothers. Of 106,461 vaginal live births...
Preterm birth is the leading cause of perinatal morbidity and mortality in China, the study is to learn risk factors for preterm birth in rural area of western China. A 1:1 case-control study in which cases included the pregnant women of preterm birth and controls included the matched pregnant women of normal deliver was conducted in 5 counties in western China. Data about the general situation...
OBJECTIVE To investigate changes in maternal length of postnatal stay by mode of birth and hospital type, and examine concurrent maternal readmission rates and reasons for readmission. METHODS Linked birth and hospital separation data were used to investigated mothers' birth admissions (n=597,475) and readmissions (n=19,094) in the six weeks post-birth in New South Wales, 2001-2007. Outcomes ...
Thyroid hormones are essential for normal development of fetus. After birth changes in thyroid hormone enable the neonate to be adapted for postnatal life. Accordingly, attention to the level of neonatal thyroid hormones at birth is important. Several maternal and environmental factors influence this adaption. Various studies have shown the association of different neonatal, maternal, and pregn...
background: abnormal umbilical cord ph can be indicated a distress imposed of newborn and can also be useful in determining the prognosis of the newborn. there are different views about the effect of the neonatal delivery method on the blood gas analysis of the umbilical artery. this study aimed to determine the effect of the method of delivery on umbilical artery ph. methods: in this cross –se...
the relation between periconceptional vaginal permicide use and sex ratio at birth, birth weight, and the frequency of congenital anomalies was examined in a cohort of 2,712 new york city obstetric patients, 149 of whom (5.5 per cent) became pregnant while using spermicides or had used spermicides before and after conception. periconceptional spermicide use was not associated with any important...
OBJECTIVES To review the determinants for a failed operative vaginal delivery and to examine associated fetal and maternal morbidity. Design. Retrospective observational study. Setting. Large London Teaching Hospital. METHOD A retrospective review of case notes during a 5-year period was carried out. RESULTS Overall 119 women (0.44%) out of 26,856 births had a caesarean section following a ...
OBJECTIVE To assess the obstetrics risk factors for postpartum urinary retention after vaginal delivery. MATERIAL AND METHODS Of 234 women with a vaginal delivery, 19 (8.1%) women who had postpartum urinary retention were cases, and 215 (91.9%) women who did not were controls. Postpartum urinary retention was defined as the presence of postvoid residual bladder volume ≥150 mL or the inability...
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