Abstract：
:This study examines the use of episiotomy and the frequency of perineal lacerations in a primary care maternity center staffed by certified nurse midwives (Booth Maternity Center) and a tertiary care teaching hospital where deliveries were performed by physicians (Thomas Jefferson University Hospital). The study sample (1262 women) was a stratified random selection of singleton live births in 1977 and 1978 at Booth Maternity Center and Thomas Jefferson University Hospital, with the demographic characteristics of women at Booth Maternity Center used as the sampling frame. Data were abstracted from medical records. Clinical and demographic factors that might be associated with the likelihood of having an episiotomy or experiencing a perineal laceration were examined using logistic regression. After controlling for other significant factors, women at Thomas Jefferson University Hospital were twice as likely to have an episiotomy as women at Booth Maternity Center. Use of an episiotomy was associated with a decrease in perineal lacerations of first- or second-degree, but a fourfold increase in the incidence of third-degree lacerations.
journal_name
Am J Obstet Gynecoljournal_title
American journal of obstetrics and gynecologyauthors
Wilcox LS,Strobino DM,Baruffi G,Dellinger WS Jrdoi
10.1016/0002-9378(89)90158-0subject
Has Abstractpub_date
1989-05-01 00:00:00pages
1047-52issue
5 Pt 1eissn
0002-9378issn
1097-6868pii
0002-9378(89)90158-0journal_volume
160pub_type
杂志文章abstract：OBJECTIVE:The objective of this study was to prospectively assess physical and biochemical cardiovascular risk markers in women who had developed preeclampsia (PE) at 1 year postpartum. STUDY DESIGN:Following an overnight fast, previously PE (n = 70) and normotensive women (n = 70) had weight and blood pressure record...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2008.06.035
更新日期：2009-01-01 00:00:00
abstract：OBJECTIVE:We examined the effect of interferon gamma on proliferation and epidermal growth factor receptor expression in ovarian cancer cell lines and normal ovarian epithelial cells. STUDY DESIGN:The tritiated thymidine incorporation assay was used to assess the effect of interferon gamma on proliferation. Scatchard ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(92)91790-h
更新日期：1992-12-01 00:00:00
abstract：OBJECTIVE:To determine whether severe preeclampsia is associated with increased maternal hypotension or fetal heart rate abnormalities after epidural anesthesia placement during labor. STUDY DESIGN:Retrospective cohort study of 100 women with severe preeclampsia and 100 normotensive controls who underwent epidural ane...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2012.07.029
更新日期：2012-10-01 00:00:00
abstract：:Between January 1988 and June 1990, 161 cases of open spina bifida were identified by the California Maternal Serum alpha-Fetoprotein Screening Program. Eight percent of these cases were not diagnosed by an initial ultrasonographic evaluation. Three defects were not recognized until birth. Ultrasonography is inadequat...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(92)91598-5
更新日期：1992-05-01 00:00:00
abstract：:We used the placenta as a source of undifferentiated cells to study the effect high glucose levels can have on human fetal cell proliferation in vitro. Cells were subcultured in a modified minimum essential medium with 10% fetal bovine serum containing either 5.5 mmol/L (100 mg/dl) D-glucose (control), 11 mmol/L (200 ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(89)90925-3
更新日期：1989-12-01 00:00:00
abstract：OBJECTIVE:Identifying patients at risk for preterm delivery continues to be difficult. We analyzed fetal fibronectin immunoassays in 763 subjects with threatened preterm delivery from 10 clinical sites. STUDY DESIGN:Symptomatic women between 24 weeks 0 days and 34 weeks 6 days with intact amniotic membranes and cervic...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,多中心研究
doi：10.1016/s0002-9378(97)70561-1
更新日期：1997-03-01 00:00:00
abstract：:Mammography is presented for the primarily nonradiologic audience. A brief historical review calls attention to some of the milestones in mammography and how it has changed. Xerororadiography is discussed, as it is one of the newer developments and is rapidly gaining broad acceptance in the United States. Clinical app...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(76)90164-2
更新日期：1976-02-01 00:00:00
abstract：OBJECTIVE:This study investigates the association of allelic variation in angiogenic pathway genes and preeclampsia. STUDY DESIGN:Data for cases with preeclampsia and term control subjects were collected prospectively. Maternal DNA was extracted, and 124 tagging single nucleotide polymorphisms in 6 genes (vascular end...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2010.01.040
更新日期：2010-05-01 00:00:00
abstract：:Current concepts of the pathogenesis of preeclampsia involve the generalized dysfunction of maternal vascular endothelial cells. We measured the endothelial isoform of fibronectin as a marker of endothelial cell injury throughout pregnancy in a prospective, case-control study. Nineteen women met strict criteria for th...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(91)90435-t
更新日期：1991-10-01 00:00:00
abstract：OBJECTIVE:Our goal was to evaluate the effectiveness of therapy with a specific pulmonary vasodilator, nitric oxide, in a woman with Eisenmenger syndrome during pregnancy. STUDY DESIGN:Eisenmenger syndrome consists of a congenital communication between the systemic and pulmonary circulation with secondary pulmonary hy...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(99)70151-1
更新日期：1999-01-01 00:00:00
abstract：:A study of congenital limb deficiencies in two Australian states indicated that use of an oral contraceptive during pregnancy by the mother was associated with an increased risk of limb defect in the child. The study included mothers of 155 children born with absence or reduction of the major long bones during a 12-ye...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(86)90352-2
更新日期：1986-11-01 00:00:00
abstract：OBJECTIVE:The recommendation to perform a perimortem cesarean delivery within 4 minutes of maternal cardiac arrest was introduced in 1986. This recommendation was based on the assumptions that cardiopulmonary resuscitation is ineffective in the third trimester because of aortocaval compression, and that fetal and perha...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1016/j.ajog.2005.02.038
更新日期：2005-06-01 00:00:00
abstract：OBJECTIVE:We sought to determine the reasons for obstetric and gynecologic patients' acceptance or refusal of medical student participation in their outpatient care. STUDY DESIGN:A descriptive and analytic cross-sectional study of 180 patients at the University of California, San Francisco, was done to identify factor...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/mob.2000.106133
更新日期：2000-06-01 00:00:00
abstract：:The association between reproductive failure and abnormal autoimmune function has been recognized for decades in association with such established autoimmune diseases as systemic lupus erythematosus. Recent investigations have expanded this association to women who demonstrate similar humoral abnormalities as patients...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1016/0002-9378(88)90525-x
更新日期：1988-07-01 00:00:00
abstract：:A robotic-assisted laparoscopic technique for transabdominal cerclage placement could offer improvements over the traditional laparoscopic approach. A gravid female with no vaginal portion of the cervix underwent a robotic-assisted laparoscopic cerclage at 12 weeks' gestation and ultimately delivered a healthy infant ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2008.10.029
更新日期：2009-02-01 00:00:00
abstract：:Fetuses from term and postmature rabbits were obtained and their livers incubated with palmitate-1-14C in room air. The net incorporation of the fatty acids into ketone bodies, lipids, and Co2 was measured at fixed and variable concentrations of cold glucose. Data from postmature liver show that lipid synthesis is dec...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(80)90679-1
更新日期：1980-02-15 00:00:00
abstract：:We report 2 cases of 47,XXX that were diagnosed prenatally and were screened positive for trisomy 21 by biochemical and ultrasound markers. These cases underline the importance of discussing the sex chromosome abnormalities during the genetic counseling after an abnormal triple screen test or ultrasound examination. ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2004.12.037
更新日期：2005-05-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to evaluate the biodistribution and toxicity of the tropism-modified infectivity-enhanced conditionally replicative adenovirus, Ad5-delta24-arginine-glycine-aspartate (RGD). STUDY DESIGN:Cohorts of cotton rats were treated intravenously or intraperitoneally for 3 consecutive day...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2006.12.016
更新日期：2007-04-01 00:00:00
abstract：OBJECTIVE:Our purpose was to determine the accuracy of the summated amniotic fluid index designed to estimate the total amniotic fluid volume in twin pregnancies. STUDY DESIGN:The summated amniotic fluid index was measured in 62 normal diamniotic twin pregnancies by adding the deepest vertical pockets in the four quad...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(97)70011-5
更新日期：1997-11-01 00:00:00
abstract：:Linear growth in fetuses with trisomy 18 has not been systematically described. We studied the relationship between long-bone, crown-rump, and foot length and gestational age in 17 postmortem fetal specimens with this syndrome. Long-bone and crown-rump lengths were compared with normal regression lines and foot length...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(11)90691-7
更新日期：1990-07-01 00:00:00
abstract：OBJECTIVES:This study was undertaken to evaluate whether prenatal zinc supplementation affects maturation of fetal cardiac patterns. STUDY DESIGN:A randomized double-blind controlled trial among 242 low-income Peruvian women was performed. Beginning at 10 to 16 weeks' gestation, women received supplements containing 6...
journal_title：American journal of obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/j.ajog.2003.09.072
更新日期：2004-04-01 00:00:00
abstract：OBJECTIVE:The increased perinatal morbidity in diabetes may be partly related to vascular dysfunction. Because potassium channels play an important role in the regulation of vascular tone, this study explores the impact of diabetes on potassium channel function in the fetoplacental vascular bed. STUDY DESIGN:Vascular ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2004.09.031
更新日期：2005-03-01 00:00:00
abstract：OBJECTIVE:Our goal was to use population-based data to determine the difference in 5-year survival in women diagnosed with cervical cancer between those aged 18-34 years and those aged 40-60 years. STUDY DESIGN:The SEER (Surveillance, Epidemiology, and End Results) public-use database, 1973-1994, was used for this inv...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(99)70038-4
更新日期：1999-06-01 00:00:00
abstract：OBJECTIVE:Visual estimation of blood loss has been shown to be inaccurate. The objective of this study was to evaluate the impact of a didactic training program on the accuracy of the estimation of blood loss and to compare the effectiveness of training provided by a web-based vs live session. STUDY DESIGN:Multidiscip...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2009.10.881
更新日期：2010-04-01 00:00:00
abstract：:With experience, and with the use of a 30-degree forward-oblique viewing telescope, sampling from one of the vessels of the umbilical cord produced at least 0.5 ml of pure fetal blood in 97% of the cases between 14 and 24 weeks' gestation; by aspiration through a short-tipped, 27-gauge, specially constructed needle, a...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(16)32794-6
更新日期：1980-12-15 00:00:00
abstract：:To describe normal relationships between the various plasma unconjugated estrogens and progesterone during the second half of human pregnancy, the plasma concentrations of progesterone, 17-hydroxyprogesterone (17-OHP), and unconjugated estrone (E1), estradiol (E2), and estriol (E3) were measured in 126-310 normal wom...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(72)90185-8
更新日期：1972-04-15 00:00:00
abstract：:We present a case of a primiparous patient at 35 weeks' gestation who had had laparoscopic gastric banding, and who presented to labor and delivery with protracted vomiting followed by an acute abdomen and fetal distress. An emergency surgery revealed acute gastric ulcer perforation. This complication, although rare, ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2004.03.036
更新日期：2004-11-01 00:00:00
abstract：OBJECTIVE:The objective of the study was to investigate whether knowledge of human papillomavirus (HPV) deoxyribonucleic acid test results increases sensitivity of guided cytology screening for the detection of cervical intraepithelial neoplasia (CIN)-2 or higher-grade cervical lesions. STUDY DESIGN:This was a prospec...
journal_title：American journal of obstetrics and gynecology
pub_type： 临床试验,杂志文章
doi：10.1016/j.ajog.2011.06.101
更新日期：2011-12-01 00:00:00
abstract：:Fetal facial reactions and response decrement patterns to external noise stimulation were studied to characterize normal fetal neurobehavior in the third trimester. Response decrement, or habituation, is thought to reflect higher central nervous system function. Two hundred women with uncomplicated pregnancies, who we...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(88)90773-9
更新日期：1988-01-01 00:00:00
abstract：OBJECTIVE:Biopsy tissues from women with postinfectious tubal infertility were studied for the presence of Chlamydia trachomatis. STUDY DESIGN:Tubal biopsy specimens from 25 women with postinfectious tubal infertility undergoing laparoscopy for repair of fallopian tubes were evaluated by culture, in situ hybridization...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(94)70084-2
更新日期：1994-07-01 00:00:00
