The nature of labor pain.

abstract：OBJECTIVE:Pregnancies complicated by diabetes are frequently characterized by an increased volume of amniotic fluid, and the pathophysiologic mechanism of this increase is not known. Our goal was to evaluate the relationship between amniotic fluid glucose concentration and the amniotic fluid index in pregnancies compli...

journal_title：American journal of obstetrics and gynecology

authors： Dashe JS,Nathan L,McIntire DD,Leveno KJ

更新日期：2000-04-01 00:00:00

abstract：OBJECTIVE:This study was undertaken to assess the value of minor ultrasonographic markers in predicting significant karyotypic abnormalities. STUDY DESIGN:A total of 2743 fetuses (14-24 weeks' gestation) prospectively underwent a detailed ultrasonographic survey before genetic amniocentesis. Criteria for 8 minor ultra...

journal_title：American journal of obstetrics and gynecology

authors： Sohl BD,Scioscia AL,Budorick NE,Moore TR

更新日期：1999-10-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to determine the prevalence of acute hepatitis B in intrapartum patients and to describe the birth-to-administration interval of the hepatitis B vaccine and immune globulin in hepatitis B surface antigen-positive patients detected by intrapartum screening. STUDY DESIGN:Hepatitis...

journal_title：American journal of obstetrics and gynecology

authors： Petermann S,Ernest JM

更新日期：1995-08-01 00:00:00

abstract：:Outpatient endometrial aspiration was offered to patients who suspected that they were pregnant, but were within 5 to 21 days after failure of expected menstruation and had a uterus of normal size on pelvic examination. This is a report of 500 consecutive cases treated between September, 1973, and April, 1975. Histolo...

journal_title：American journal of obstetrics and gynecology

authors： Bendel RP,Williams PP,Butler JC Jr

更新日期：1976-06-01 00:00:00

abstract：:The effects of epidural analgesia on the duration of labor have been a controversal subject since its increased use in recent years. A total of 598 patients receiving this form of analgesia were studied as to progress in labor and eventual outcome. The mean cervical changes during epidural analgesia with a single drug...

journal_title：American journal of obstetrics and gynecology

authors： Phillips JC,Hochberg CJ,Petrakis JK,Van Winkle JD

更新日期：1977-10-01 00:00:00

abstract：:The daily symptom records of 150 untreated women with a convincing history of the premenstrual syndrome were investigated qualitatively and quantitatively by means of time series analysis in the form of Trigg's technique for trends. Symptoms were monitored with use of a modified menstrual distress questionnaire. Analy...

journal_title：American journal of obstetrics and gynecology

authors： Magos AL,Brincat M,Studd JW

更新日期：1986-08-01 00:00:00

abstract：OBJECTIVE:The objective of the study was to determine whether the epidemiology of low-grade ovarian serous cancers is distinct from that of high-grade ovarian serous cancers. STUDY DESIGN:The National Cancer Institute's Surveillance Epidemiology and End Results (SEER) program reports incidence, and survival, data from...

journal_title：American journal of obstetrics and gynecology

authors： Plaxe SC

更新日期：2008-04-01 00:00:00

abstract：:Based on epidemiologic data, women who take oral contraceptives seem to have an increased risk of developing thromboembolic disease. In order to explain this association, some studies have been undertaken to find abnormalities in the hemostasis system. Many conflicting test results have been reported, probably reflect...

journal_title：American journal of obstetrics and gynecology

authors： Mammen EF

更新日期：1982-03-15 00:00:00

abstract：:The mechanisms of steroid action remain a poorly understood enigma. Although much effort has focused on the steroid receptor as a mediator of the steroid's effect in the cell, we are only beginning to understand the structure of steroid receptors. Development of monoclonal antibodies directed against both the steroid-...

journal_title：American journal of obstetrics and gynecology

authors： Faber LE,Wakim NG,Duhring JL

更新日期：1987-06-01 00:00:00

abstract：OBJECTIVE:This study was undertaken to compare the frequencies with which physicians and patients report medical and behavioral risk factors during pregnancy, with particular attention to identification of women at risk for prenatal alcohol use. STUDY DESIGN:The sample included 278 women, drawn from a randomized trial...

journal_title：American journal of obstetrics and gynecology

authors： McNamara TK,Orav EJ,Wilkins-Haug L,Chang G

更新日期：2005-12-01 00:00:00

abstract：:The effect of fluids from both complete and partial hydatidiform moles on blood coagulation was determined. Coagulation was evaluated with use of the one-stage prothrombin time and the activated partial thromboplastin time. These studies demonstrated that the fluids shortened the activated partial thromboplastin time ...

journal_title：American journal of obstetrics and gynecology

authors： Kaplan SS,Szulman AE,Surti U

更新日期：1985-11-15 00:00:00

abstract：OBJECTIVE:Our purpose was to compare patients' satisfaction with the effect of treatment, health-related quality of life, psychologic status, and sexual functioning 2 years after endometrial resection or vaginal hysterectomy for menorrhagia. STUDY DESIGN:Menorrhagic women < or = 50 years old with a mobile uterus small...

journal_title：American journal of obstetrics and gynecology

authors： Crosignani PG,Vercellini P,Apolone G,De Giorgi O,Cortesi I,Meschia M

更新日期：1997-07-01 00:00:00

abstract：OBJECTIVE:The purpose of our study was to determine whether a relationship exists between diabetic glucose control and the immaturity rate of fetal pulmonary maturity test results. STUDY DESIGN:One thousand consecutive women who had fetal pulmonary maturity testing before delivery were studied. Diabetic patients were ...

journal_title：American journal of obstetrics and gynecology

authors： Piper JM,Langer O

更新日期：1993-03-01 00:00:00

abstract：:A 23-year-old, healthy woman underwent hysteroscopy during which Hyskon solution was injected into the uterine cavity. Soon afterward she developed a bleeding coagulopathy followed by acute respiratory insufficiency and pulmonary edema, necessitating endotracheal intubation and artificial ventilation with positive end...

journal_title：American journal of obstetrics and gynecology

authors： Jedeikin R,Olsfanger D,Kessler I

更新日期：1990-01-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to determine the effects of raloxifene on endothelial function in healthy, postmenopausal women. STUDY DESIGN:This was a randomized, double-blind, placebo-controlled crossover trial. Subjects (n = 19; mean age, 61 years) underwent endothelial function testing at baseline and aft...

journal_title：American journal of obstetrics and gynecology

authors： Sarrel PM,Nawaz H,Chan W,Fuchs M,Katz DL

更新日期：2003-02-01 00:00:00

abstract：OBJECTIVE:Our objective was to study tone responses caused by hypoxia, reoxygenation, and hydrogen peroxide in human placental vessels from gestational diabetic and normal term pregnancies. STUDY DESIGN:Isolated placental arteries and veins from women with well-controlled gestational diabetic and uncomplicated term pr...

journal_title：American journal of obstetrics and gynecology

authors： Figueroa R,Omar HA,Tejani N,Wolin MS

更新日期：1993-05-01 00:00:00

abstract：BACKGROUND:It is not well-characterized whether attempting operative vaginal delivery is a safe and effective alternative among women who undergo a trial of labor after cesarean delivery who are unable to complete second-stage labor with a spontaneous vaginal delivery. OBJECTIVE:The purpose of this study was to compar...

journal_title：American journal of obstetrics and gynecology

authors： Son M,Roy A,Grobman WA

更新日期：2017-04-01 00:00:00

abstract：:In pregnancy a decrease in fibrinolytic activity, which is due to an increase in plasminogen activator inhibitor activity and plasminogen activator inhibitor type 1 and type 2, has been described. Because the placenta is a source of both type 1 and type 2 plasminogen activator inhibitor, we have studied them and other...

journal_title：American journal of obstetrics and gynecology

authors： Estellés A,Gilabert J,España F,Aznar J,Galbis M

更新日期：1991-07-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to examine the association between intimate partner violence (IPV), abortion, parity, and contraception use. STUDY DESIGN:We recruited 1463 women for this written questionnaire study of IPV. Patient demographics, contraceptive history, and reproductive history were obtained in t...

journal_title：American journal of obstetrics and gynecology

authors： Gee RE,Mitra N,Wan F,Chavkin DE,Long JA

更新日期：2009-08-01 00:00:00

abstract：OBJECTIVE:Our aim was to examine the effect of the nitric oxide donor isosorbide mononitrate on the uterine cervix at term and to evaluate possible adverse effects of this treatment. STUDY DESIGN:Term pregnant women were randomly selected to receive either 40 mg vaginally administered isosorbide mononitrate or placebo...

journal_title：American journal of obstetrics and gynecology

authors： Ekerhovd E,Bullarbo M,Andersch B,Norström A

更新日期：2003-12-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to evaluate the relationships between maternal vitamin D levels and gestational diabetes mellitus (GDM) and differences in the placental production of vitamin D receptor (VDR), CYP24A, and CYP27B1. STUDY DESIGN:Forty normal pregnant women and 20 women with GDM were included in this ...

journal_title：American journal of obstetrics and gynecology

authors： Cho GJ,Hong SC,Oh MJ,Kim HJ

更新日期：2013-12-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate prospectively the Centers for Disease Control recommendations for the treatment of gonococcal infection in pregnancy. STUDY DESIGN:One hundred sixty-one women who were referred with probable endocervical gonorrhea underwent pretreatment endocervical, anal, and oral c...

journal_title：American journal of obstetrics and gynecology

authors： Ramus RM,Sheffield JS,Mayfield JA,Wendel GD Jr

更新日期：2001-09-01 00:00:00

abstract：:A comparison was made of the incidences of cesarean section deliveries between mothers 18 years of age or younger and those 19 to 21 years of age, all of whom were enrolled in a comprehensive program of prenatal care. Also compared were the indications for surgical delivery between the two groups. The rate of cesarean...

journal_title：American journal of obstetrics and gynecology

authors： Leppert PC,Namerow PB,Horowitz E

更新日期：1985-07-15 00:00:00

abstract：:In the roundtable that follows, clinicians discuss a study published in this issue of the Journal in light of its methodology, relevance to practice, and implications for future research. Article discussed: Maayan-Metzger A, Schushan-Eisen I, Todris L, et al. Maternal hypotension during elective cesarean section and s...

journal_title：American journal of obstetrics and gynecology

authors： Blackwell SC,Pacheco L,Chiossi G,Lee T,Nguyen T

更新日期：2010-01-01 00:00:00

abstract：OBJECTIVE:The standard weekly dose of 17-alpha hydroxyprogesterone caproate (17OHP-C; 250 mg/wk) to reduce the risk of recurrent preterm birth was adopted without regard to patient characteristics. We examined the relationship between prepregnancy body mass index (BMI) and gestational age at birth after 17OHP-C prophyl...

journal_title：American journal of obstetrics and gynecology

authors： Co AL,Walker HC,Hade EM,Iams JD

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:Periconceptional diet quality is commonly suboptimal and sociodemographic disparities in diet quality exist. However, it is unknown whether individual periconceptional diet quality is associated with obstetric outcomes. OBJECTIVE:Our objective was to assess differences in maternal and neonatal outcomes acco...

journal_title：American journal of obstetrics and gynecology

authors： Yee LM,Silver RM,Haas DM,Parry S,Mercer BM,Iams J,Wing D,Parker CB,Reddy UM,Wapner RJ,Grobman WA

更新日期：2020-07-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the accuracy of algorithms for the assignment of gestational age with the use of the last menstrual period and early ultrasound information. STUDY DESIGN:Gestational age estimates that are based on last menstrual period, ultrasound scanning, or their combination were...

journal_title：American journal of obstetrics and gynecology

authors： Savitz DA,Terry JW Jr,Dole N,Thorp JM Jr,Siega-Riz AM,Herring AH

更新日期：2002-12-01 00:00:00

abstract：:The management of 430 diabetic pregnancies is presented. Our protocol emphasized "tight" metabolic control and assessment of fetal well-being by antepartum fetal heart rate testings and estriol levels. Spontaneous labor was allowed in uncomplicated Class A diabetic patients. Labor in complicated cases and insulin-depe...

journal_title：American journal of obstetrics and gynecology

authors： Mashini IS,Fadel HE,Nelson GH,Hadi HA

更新日期：1985-12-01 00:00:00

abstract：OBJECTIVE:We performed a systematic review and meta-analysis to determine whether D-mannose reduces urinary tract infection recurrence (ie, cumulative incidence) in adult women with recurrent urinary tract infection compared with other prevention agents. Secondary outcomes included side effects and compliance with D-ma...

journal_title：American journal of obstetrics and gynecology

authors： Lenger SM,Bradley MS,Thomas DA,Bertolet MH,Lowder JL,Sutcliffe S

更新日期：2020-08-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to describe obstetric outcomes after surgical abortion at > or = 20 weeks, and to identify risk factors for subsequent spontaneous preterm birth. STUDY DESIGN:Patients who had surgical abortion at > or = 20 weeks' gestation from 1996 to 2003 and received subsequent prenatal care...

journal_title：American journal of obstetrics and gynecology

authors： Chasen ST,Kalish RB,Gupta M,Kaufman J,Chervenak FA

更新日期：2005-09-01 00:00:00