Atrial natriuretic peptide receptors in normal human placentas.

abstract：:This study was undertaken to determine the effect of choice of birth route on infant outcome in fetal breech presentation. The study group excluded infants who were footling breeches and infants with major congenital anomalies. The mothers were in labor with the fetal heartbeat present at entry into the labor room. Ou...

journal_title：American journal of obstetrics and gynecology

authors： Rosen MG,Chik L

更新日期：1984-04-01 00:00:00

abstract：OBJECTIVE:Recently the Accreditation Council for Graduate Medical Education placed restrictions on all residency programs that limited work hours to 80 hours per week. The objective of this study was to determine the work hours for practicing obstetrician-gynecologists in an urban center. STUDY DESIGN:A questionnaire ...

journal_title：American journal of obstetrics and gynecology

authors： Promecene PA,Schneider KM,Monga M

更新日期：2003-09-01 00:00:00

abstract：:Local cerebral glucose utilization was measured by the [14C]-deoxyglucose method in five near-term fetal sheep in whom bilateral ablation of the cochleae had been accomplished aseptically 5 to 8 days earlier. The tympanic membrane and ossicles were removed and all turns of each cochlea were unroofed with destruction c...

journal_title：American journal of obstetrics and gynecology

authors： Abrams RM,Hutchison AA,McTiernan MJ,Merwin GE

更新日期：1987-12-01 00:00:00

abstract：:Among 1,613 women studied with routine ultrasonography prior to genetic amniocentesis at Northwestern University Medical School, 25 of 26 multiple gestations were detected. Sampling of fluid from both amniotic sacs was requested by 20 women with twin gestations in which both fetuses were ultrasonographically determine...

journal_title：American journal of obstetrics and gynecology

authors： Elias S,Gerbie AB,Simpson JL,Nadler HL,Sabbagha RE,Shkolnik A

更新日期：1980-09-15 00:00:00

abstract：:A subset of women with a high rate of fetal wastage is identifiable among those with serologic but not necessarily clinical evidence of connective tissue disease. The presence of lupus anticoagulant in the plasma of a pregnant woman serves as a marker for a high rate of fetal wastage and risk of thrombosis. Lupus anti...

journal_title：American journal of obstetrics and gynecology

authors： Lubbe WF,Liggins GC

更新日期：1985-10-01 00:00:00

abstract：OBJECTIVE:To compare maternal and neonatal outcomes between planned cesarean delivery and induction of labor in women with class III obesity (body mass index ≥40 kg/m(2)). STUDY DESIGN:In this retrospective cohort study, we identified all women with a body mass index ≥40 kg/m(2) who delivered a singleton at our instit...

journal_title：American journal of obstetrics and gynecology

authors： Subramaniam A,Jauk VC,Goss AR,Alvarez MD,Reese C,Edwards RK

更新日期：2014-12-01 00:00:00

abstract：:This study was undertaken to evaluate the catecholamine response of the fetal rat to insulin-induced hypoglycemia in the mother. Twenty-four Sprague-Dawley rats at day 21 of gestation were used. Hypoglycemia was induced with regular insulin; then at timed intervals, the rats were anesthetized with pentobarbital. When ...

journal_title：American journal of obstetrics and gynecology

authors： Phillippe M,Kitzmiller JL

更新日期：1981-02-15 00:00:00

abstract：OBJECTIVE:Our purpose was to measure the transfer of lamivudine ([-]-2'-deoxy-3'-thiacytidine) across the human placenta both alone and in the presence of zidovudine. STUDY DESIGN:Nine placentas from term, elective cesarean deliveries were analyzed with use of the ex vivo single cotyledon perfusion system. Antipyrine ...

journal_title：American journal of obstetrics and gynecology

authors： Bloom SL,Dias KM,Bawdon RE,Gilstrap LC 3rd

更新日期：1997-02-01 00:00:00

abstract：BACKGROUND:Parity is the greatest risk factor for the development of pelvic organ prolapse. The normally supported vagina is pulled up and back over the levator ani. Loss of vaginal angulation has been associated with prolapse and may represent injury to the vaginal supportive tissues. OBJECTIVE:We proposed and examin...

journal_title：American journal of obstetrics and gynecology

authors： Oliphant S,Canavan T,Palcsey S,Meyn L,Moalli P

更新日期：2018-02-01 00:00:00

abstract：:This is a case report of a serious complication that occurred about 5 weeks after the insertion of an IUD. The patient, a 34 year old Caucasian woman, gravida 7, para 5 and abortions 2, was admitted to the hospital for chills, fever, abdominal pain, nausea, vomiting and diarrhoea which began 3 days prior to admission...

journal_title：American journal of obstetrics and gynecology

authors： Rowland TC Jr

更新日期：1971-07-15 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the effect of elevated levels of circulating estradiol on the clotting and fibrinolytic system in patients undergoing controlled ovarian hyperstimulation. STUDY DESIGN:Fifty-two patients undergoing controlled ovarian hyperstimulation with human menopausal gonadotropi...

journal_title：American journal of obstetrics and gynecology

authors： Rice VC,Richard-Davis G,Saleh AA,Ginsburg KA,Mammen EF,Moghissi K,Leach R

更新日期：1993-12-01 00:00:00

abstract：BACKGROUND:Significant racial/ethnic disparities in unintended pregnancy persist in the United States, with the highest rates observed among low-income black and Hispanic women. Differences in contraceptive preferences, beliefs, and self-efficacy may be instrumental in understanding contraceptive behaviors that underli...

journal_title：American journal of obstetrics and gynecology

authors： Callegari LS,Zhao X,Schwarz EB,Rosenfeld E,Mor MK,Borrero S

更新日期：2017-05-01 00:00:00

abstract：:Studies in nonpregnant animal models of carbon monoxide poisoning have demonstrated the protective effect of perfluorochemicals. Anesthetized pregnant ewes were exposed to carbon monoxide. After symptoms of toxicity were demonstrated, group 1 animals were respired with room air. Group 2 animals respired room air and w...

journal_title：American journal of obstetrics and gynecology

authors： Baker VV,Egley CC,Cefalo RC,Proctor H

更新日期：1986-11-01 00:00:00

abstract：:Immunoglobulins G, M, and A were found in varying concentrations in four different human fetal anatomic compartments of 17 fetuses in the absence of apparent infection. The highest levels were noted in the thoracic cavity. ...

journal_title：American journal of obstetrics and gynecology

authors： Maslow AS,Seeds JW,Cefalo RC

更新日期：1988-10-01 00:00:00

abstract：OBJECTIVE:A controversy exists regarding the time to monitor blood glucose in the diabetic pregnancy (60 or 120 minutes after meals). Using a novel approach that provides continuous measurement of blood glucose, we sought to determine postprandial glucose profile in the diabetic pregnancy. STUDY DESIGN:Subjects were c...

journal_title：American journal of obstetrics and gynecology

authors： Ben-Haroush A,Yogev Y,Chen R,Rosenn B,Hod M,Langer O

更新日期：2004-08-01 00:00:00

abstract：:Serial BPD readings were obtained from 142 normal parturients, with established dates, between 20 to 40 weeks of pregnancy. It is noted that fetal BPD's can be separated into one of three percentile rankings: large (i.e. above the seventy-fifth percentile), average (i.e. twenty-fifth to seventy-fifth percentile), and ...

journal_title：American journal of obstetrics and gynecology

authors： Sabbagha RE,Barton BA,Barton FB,Kingas E,Turner JH

更新日期：1976-10-15 00:00:00

abstract：:Cardiovascular collapse is a rare but serious complication of laparoscopy. Presented here are two cases of sudden cardiovascular collapse during laparoscopy. Possible causes include severe atypical vagal reactions and carbon dioxide embolism. Arterial blood gases indicated pulmonary vascular shunting. ...

journal_title：American journal of obstetrics and gynecology

authors： Brantley JC 3rd,Riley PM

更新日期：1988-09-01 00:00:00

abstract：OBJECTIVE:We measured the concentrations of plasma P selectin (or GMP-140) and glycocalicin in preeclamptic and eclamptic women. Correlations between these two parameters and blood pressures, platelet counts, or plasma thrombin-antithrombin complex values were evaluated. STUDY DESIGN:By use of enzyme-linked immunosorb...

journal_title：American journal of obstetrics and gynecology

authors： Halim A,Kanayama N,el Maradny E,Nakashima A,Bhuiyan AB,Khatun S,Terao T

更新日期：1996-01-01 00:00:00

abstract：:Although the importance of sonography in modern obstetrics is undisputed, its role in the evaluation of the patient with gynecologic disease is less clear. We evaluated the role of pelvic sonography in the initial assessment of gynecologic patients. Standardized pelvic sonography was performed on patients scheduled to...

journal_title：American journal of obstetrics and gynecology

authors： O'Brien WF,Buck DR,Nash JD

更新日期：1984-07-15 00:00:00

abstract：:A rapid and accurate technique for assessment of spermatozoa motility has been developed. With the use of tricolor photography with sequential exposures in green, red, and blue light, spermatozoa were photographed in Makler chambers with a depth of 10 mu. Exposure in green light had a 1-second duration and was immedia...

journal_title：American journal of obstetrics and gynecology

authors： Lysikiewicz A,Enhorning G

更新日期：1983-01-15 00:00:00

abstract：OBJECTIVE:Our purpose was to compare midtrimester amniocentesis-related fetal loss rates between obstetrician-gynecologists and perinatologists. STUDY DESIGN:This cohort study analyzes 1384 midtrimester amniocenteses from January 1, 1996, to December 31, 1999. Obstetrician-gynecologists who split their practices betwe...

journal_title：American journal of obstetrics and gynecology

authors： Blessed WB,Lacoste H,Welch RA

更新日期：2001-06-01 00:00:00

abstract：OBJECTIVE:This study was undertaken to determine whether the presence of a dilated internal os (funneling or beaking) alters the outcome of patients with a short cervix documented by transvaginal ultrasound in the second trimester. STUDY DESIGN:Between January 1998 and May 2004, all singleton pregnancies with a short ...

journal_title：American journal of obstetrics and gynecology

authors： Rust OA,Atlas RO,Kimmel S,Roberts WE,Hess LW

更新日期：2005-04-01 00:00:00

abstract：OBJECTIVE:Our purpose was to compare the effects of the Burch colposuspension with those of the modified Marshall-Marchetti-Krantz urethropexy. STUDY DESIGN:Eighty women underwent the two types of operation. A full urodynamic investigation was repeated 6 months after surgery. RESULTS:Clinical follow-up continued for ...

journal_title：American journal of obstetrics and gynecology

authors： Colombo M,Scalambrino S,Maggioni A,Milani R

更新日期：1994-12-01 00:00:00

abstract：:In order to determine if moderate maternal exercise increased uterine activity, a prospective study was done during the last 8 weeks of pregnancy in 17 women. Two forms of exercise were chosen, weight-bearing (running) and non-weight-bearing (stationary bicycle), to study this hypothesis. The results show that with th...

journal_title：American journal of obstetrics and gynecology

authors： Veille JC,Hohimer AR,Burry K,Speroff L

更新日期：1985-03-15 00:00:00

abstract：:Fetal heart rate abnormalities associated with prolonged pregnancy have been attributed to umbilical cord vulnerability rather than placental insufficiency. Although intrapartum fetal heart rate patterns indicative of umbilical cord compression are common beyond 41 weeks' gestation, fetal intolerance to labor develops...

journal_title：American journal of obstetrics and gynecology

authors： Silver RK,Dooley SL,MacGregor SN,Depp R

更新日期：1988-09-01 00:00:00

abstract：:To assess placental metabolism of cocaine, placentas were obtained at the time of delivery and the microsomes were extracted by ultracentrifugation within 2 hours. Placental microsomes were cultured with cocaine at physiologic plasma concentrations similar to those of cocaine users (0.75 micrograms/ml). Two control gr...

journal_title：American journal of obstetrics and gynecology

authors： Roe DA,Little BB,Bawdon RE,Gilstrap LC 3rd

更新日期：1990-09-01 00:00:00

abstract：:The distribution of receptors for insulin and epidermal growth factor along the longitudinal axis of the uterine cavity was studied in 28 uteri obtained from women of reproductive age undergoing hysterectomy for benign conditions. Insulin binding to crude plasma membranes was higher (p less than 0.05) in the secretory...

journal_title：American journal of obstetrics and gynecology

authors： Sheets EE,Tsibris JC,Cook NI,Virgin SD,DeMay RM,Spellacy WN

更新日期：1985-09-01 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：BACKGROUND:There are limited data on how maternal age is related to twin pregnancy outcomes. OBJECTIVE:The purpose of this study was to assess the relationship between maternal age and risk for preterm birth, fetal death, and neonatal death in the setting of twin pregnancy. STUDY DESIGN:This population-based study of...

journal_title：American journal of obstetrics and gynecology

authors： McLennan AS,Gyamfi-Bannerman C,Ananth CV,Wright JD,Siddiq Z,D'Alton ME,Friedman AM

更新日期：2017-07-01 00:00:00

abstract：:Diurnal profiles have been constructed for glucose, free fatty acids (FFA), triglycerides, cholesterol, and ten neutral amino acids in subjects with normal carbohydrate metabolism during late pregnancy and in age- and weight-matched nongravid women. Samples of blood were secured during a 24 hour period while the subje...

journal_title：American journal of obstetrics and gynecology

authors： Phelps RL,Metzger BE,Freinkel N

更新日期：1981-08-01 00:00:00