Abstract：
OBJECTIVE:To develop a model based on factors available at the first prenatal visit that predicts chance of successful vaginal birth after cesarean delivery (VBAC) for individual patients who undergo a trial of labor. METHODS:All women with one prior low transverse cesarean who underwent a trial of labor at term with a vertex singleton gestation were identified from a concurrently collected database of deliveries at 19 academic centers during a 4-year period. Using factors identifiable at the first prenatal visit, we analyzed different classification techniques in an effort to develop a meaningful prediction model for VBAC success. After development and cross-validation, this model was represented by a graphic nomogram. RESULTS:Seven-thousand six hundred sixty women were available for analysis. The prediction model is based on a multivariable logistic regression, including the variables of maternal age, body mass index, ethnicity, prior vaginal delivery, the occurrence of a VBAC, and a potentially recurrent indication for the cesarean delivery. After analyzing the model with cross-validation techniques, it was found to be both accurate and discriminating. CONCLUSION:A predictive nomogram, which incorporates six variables easily ascertainable at the first prenatal visit, has been developed that allows the determination of a patient-specific chance for successful VBAC for those women who undertake trial of labor. LEVEL OF EVIDENCE:II.
journal_name
Obstet Gynecoljournal_title
Obstetrics and gynecologyauthors
Grobman WA,Lai Y,Landon MB,Spong CY,Leveno KJ,Rouse DJ,Varner MW,Moawad AH,Caritis SN,Harper M,Wapner RJ,Sorokin Y,Miodovnik M,Carpenter M,O'Sullivan MJ,Sibai BM,Langer O,Thorp JM,Ramin SM,Mercer BM,National Instidoi
10.1097/01.AOG.0000259312.36053.02subject
Has Abstractpub_date
2007-04-01 00:00:00pages
806-12issue
4eissn
0029-7844issn
1873-233Xpii
109/4/806journal_volume
109pub_type
杂志文章,多中心研究abstract：:This review is designed to provide a broad view of fetal cardiovascular response to fetal distress. The presentation focuses on data obtained from laboratories working with fetal sheep, or occasionally fetal monkeys, instead of attempting to interpret data resulting from human fetal studies. Human fetal studies are un...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1977-03-01 00:00:00
abstract：:Five hundred twelve patients who presented with initial atypical cervical cytology between February 1982 and February 1983 at Naval Hospital, San Diego were randomized with respect to antibiotic treatment and interval before repeat cytologic examination. Treatment before repeat cytology did not improve the rate of rev...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1986-08-01 00:00:00
abstract：:Elevated levels of maternal serum alpha-fetoprotein (MSAFP) will identify a population at increased risk for specific congenital malformations, which are accurately diagnosed by amniotic fluid AFP and acetylcholinesterase. The risk for spontaneous abortion related to amniocentesis, combined with increasing confidence ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1988-10-01 00:00:00
abstract：OBJECTIVE:To determine if bacteria are capable of producing phosphatidylglycerol in amniotic fluid (AF) and the number of colony forming units (CFU) of bacteria necessary to produce this result. METHODS:Eleven species of bacteria and one species of yeast, common to the female genital tract and implicated in chorioamni...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0029-7844(95)00032-m
更新日期：1995-05-01 00:00:00
abstract：:All 119 medical schools in the United States provided information for a study of academic manpower conducted by the Association of Professors of Gynecology and Obstetrics (APGO). The average number of full-time faculty members per medical school is 13.2, with 2 positions vacant per school. Subspecialists are concentra...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1979-05-01 00:00:00
abstract：:One hundred ten consecutive patients with invasive gynecologic cancers, treated by radical hysterectomy at The University of California, Irvine Medical Center, underwent early postoperative intravenous pyelogram (IVP). An abnormal early postoperative IVP did not predict subsequent urinary tract dysfunction (anatomical...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1991-11-01 00:00:00
abstract：:This study was designed to compare the effects of two low-dose triphasic oral contraceptives (OCs) on glucose tolerance and insulin secretion. Fifty-seven women were randomized to receive OCs containing ethinyl estradiol and either levonorgestrel or norethindrone. Ten subjects using nonhormonal contraception served as...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1991-07-01 00:00:00
abstract：OBJECTIVE:To investigate the association between advanced maternal age and adverse pregnancy outcomes and to compare the risks related to advanced maternal age with those related to smoking and being overweight or obese. METHODS:A population-based register study including all nulliparous women aged 25 years and older ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000000062
更新日期：2014-01-01 00:00:00
abstract：OBJECTIVE:To assess the rate of wound complications and evaluate the effectiveness of antibiotic prophylaxis in vulvar wide local excision procedures. METHODS:We performed a single-institution, retrospective cohort study of women undergoing vulvar surgery for premalignant lesions between January 2007 and January 2017....
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000003185
更新日期：2019-04-01 00:00:00
abstract：:A study of the records of patients seen in a two-year period in a private gynecologic practice and a one-year period in the emergency department of a general hospital was prompted by the incidence of chest wall pain diagnosed as costochondral pain. The study revealed 76 women in the former practice and 156 men and wom...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1983-11-01 00:00:00
abstract：OBJECTIVE:To evaluate the effectiveness of hysteroscopic sterilization reversal by assessing pregnancy rates and identifying surgical complications. METHODS:All patients at a single center undergoing elective reversal of hysteroscopic sterilization for fertility were followed from January 2009 to May 2014. Eligible pa...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000000543
更新日期：2014-12-01 00:00:00
abstract：OBJECTIVE:To evaluate the role of cerebral velocimetry as a predictor of perinatal outcome in high-risk pregnancies. METHODS:Middle cerebral artery pulsatility index was measured in 576 high-risk pregnancies undergoing umbilical velocimetry. The results of both tests were evaluated with respect to the birth of small f...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0029-7844(97)00482-1
更新日期：1997-12-01 00:00:00
abstract：:To evaluate the effects of maternal magnesium sulfate treatment on neonatal magnesium and calcium homeostasis, the authors studied 23 term neonates whose mothers had received intravenous magnesium sulfate for pre-eclampsia and compared them with 14 control neonates. Total and ionized calcium, magnesium, phosphorus, an...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1980-11-01 00:00:00
abstract：OBJECTIVE:To determine whether stage of disease and treatment patterns account for mortality differences between black and white women with cervical cancer. METHODS:Using data obtained from the Surveillance, Epidemiology, and End Results (SEER) Program for 1988-1994, we determined the associations between race and sta...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0029-7844(99)00334-8
更新日期：1999-10-01 00:00:00
abstract：:Despite earlier studies, there remain unanswered questions regarding urinary calculi in pregnancy. The authors studied 11 cases in 11,292 deliveries over 5 years. Eight previous studies were also studied and data were compiled from 96 cases in 138,296 patients. The incidence of urinary calculi in pregnancy is approxim...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1980-10-01 00:00:00
abstract：OBJECTIVE:To identify and estimate prevalence rates of maternal morbidities by pregnancy outcome and selected covariates during the antepartum, intrapartum, and postpartum periods in a defined population of pregnant women. METHODS:We used electronic data systems of a large, vertically integrated, group-model health ma...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0b013e31816c441a
更新日期：2008-05-01 00:00:00
abstract：OBJECTIVE:To investigate vascular reactivity in women's cerebral arteries from reproductive age to postmenopause. METHODS:The pulsatility index (PI) was measured cross-sectionally in the internal carotid and middle cerebral arteries of 120 women, using a Doppler ultrasound system. Fifteen women were enrolled in each o...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0029-7844(96)00119-6
更新日期：1996-07-01 00:00:00
abstract：OBJECTIVE:To compare sexual function in women with and without uterovaginal prolapse and urinary incontinence. METHODS:Eighty women with prolapse and with or without incontinence and 30 continent women without prolapse completed questionnaires assessing sexual function and underwent a physical examination. RESULTS:Wo...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0029-7844(94)00434-F
更新日期：1995-04-01 00:00:00
abstract：OBJECTIVE:To determine the effectiveness of ginger for the treatment of nausea and vomiting of pregnancy. METHODS:Women with nausea and vomiting of pregnancy, who first attended an antenatal clinic at or before 17 weeks' gestation, were invited to participate in the study. During a 5-month period, 70 eligible women ga...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/s0029-7844(00)01228-x
更新日期：2001-04-01 00:00:00
abstract：OBJECTIVE:To estimate the relationship between hormonal parameters of diminished ovarian reserve and the incidence of aneuploid blastocysts. METHODS:This prospective cohort trial was performed in a private in vitro fertilization clinic. Three hundred seventy-two patients underwent in vitro fertilization with blastocys...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/aog.0b013e318278eeda
更新日期：2013-01-01 00:00:00
abstract：:Minor components of adult hemoglobin (A1a,b, and c) are known to increase in the presence of sustained elevations of maternal blood glucose. This study demonstrates the correlation between glycosylated hemoglobin components and the usual shorter term indices of diabetic control. In addition, a correlation was noted be...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1980-10-01 00:00:00
abstract：OBJECTIVE:To examine the current patterns of care for women at high risk for delivery-related morbidity to inform discussions about the feasibility of this regionalized approach. METHODS:We performed a cross-sectional study and linked 2014 American Hospital Association survey and State Inpatient Database data from sev...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000003397
更新日期：2019-09-01 00:00:00
abstract：:One hundred women were admitted to the hospital between 7 and 18 weeks' gestation because of vaginal bleeding and threatened abortion. Serum concentration of estradiol-17 beta was determined by radioimmunoassay. Ultrasound examination using a gray-scale scanner was performed as well. The values for prediction of abort...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/00006250-198003000-00011
更新日期：1980-03-01 00:00:00
abstract：:Six patients with pure nonmosaic 46,XY gonadal dysgenesis (XY GD) and histocompatibility H-Y antigen titers in the normal male range (H-Y+) are presented. Clinical characteristics included a female phenotype, masculine skeletal characteristics, signs of virilization, and primary amenorrhea. All individuals had unambig...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1981-07-01 00:00:00
abstract：:Primary dysmenorrhea is defined as pain during the menstrual cycle in the absence of an identifiable cause. It is one of the most common causes of pelvic pain in women. Dysmenorrhea can negatively affect a woman's quality of life and interfere with daily activities. The pathophysiology of primary dysmenorrhea is likel...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1097/AOG.0000000000004096
更新日期：2020-11-01 00:00:00
abstract：OBJECTIVE:To compare the attitudes and expectations that obstetric patients and medical students bring to the student-patient relationship in intrapartum care. METHODS:Written questionnaires were distributed to obstetric patients who had students assist in their labor and delivery care and to medical students who had ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0029-7844(96)00191-3
更新日期：1996-08-01 00:00:00
abstract：OBJECTIVE:To assess the morbidity associated with continuing the second-stage duration of labor, weighing the probability of spontaneous vaginal birth without morbidity compared with birth with serious maternal or neonatal complications. METHODS:In a retrospective cohort, we analyzed singleton, vertex births at 36 wee...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000002431
更新日期：2018-02-01 00:00:00
abstract：BACKGROUND:Physiologic changes of pregnancy can predispose women to cardiac arrhythmias. Atrial fibrillation is rare in pregnancy and usually occurs in women with underlying cardiac anomalies. CASE:A young woman at 22 weeks of gestation presented with new-onset atrial fibrillation with rapid ventricular response. Thor...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0b013e31820561ef
更新日期：2011-02-01 00:00:00
abstract：:A case of human fetal renal maldevelopment following the administration of nitrogen mustard, vincristine, procarbazine, and prednisone in early pregnancy for therapy of Hodgkin's disease is reported. While these agents have been shown to be teratogenic in animal experiments, adverse fetal effects following their use d...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1975-08-01 00:00:00
abstract：:Perinatal asphyxia at term is a major cause of mortality and morbidity. In many instances obstetric or maternal complications during pregnancy, labor, or delivery account for the asphyxia, but there is a group of infants in whom asphyxia occurs without any recognizable risk factors. The histories of 1602 infants were ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1983-08-01 00:00:00
