Use of the fetal chest in estimating fetal weight.

abstract：OBJECTIVE:We evaluated the effects of coliform endotoxin on the circulating levels of atrial natriuretic factor and renal function. To understand the direct effects of endotoxin in the release of atrial natriuretic factor by cardiac tissue, studies in isolated rat atria were performed. STUDY DESIGN:In vivo studies wer...

journal_title：American journal of obstetrics and gynecology

authors： Rao PS,Cavanagh D,Graham D,Graham LB,Dietz JR,Fiorica JV,Hoffman MS

更新日期：1998-07-01 00:00:00

abstract：:A 3-year follow-up study was carried out on 20 children examined in utero with echo-planar magnetic resonance imaging when fetal compromise had been demonstrated or was suspected. There was no demonstrable increase in the occurrence of disease or disability (including hearing deficit) that could be related to echo-pla...

journal_title：American journal of obstetrics and gynecology

authors： Baker PN,Johnson IR,Harvey PR,Gowland PA,Mansfield P

更新日期：1994-01-01 00:00:00

abstract：OBJECTIVE:Oxidative stress occurs when the production of damaging free radicals and other oxidative molecules exceeds the capacity of the body's antioxidant defenses. Oxidative stress is implicated in diseases that are associated with prematurity (such as retinopathy, cerebral palsy, intraventricular hemorrhage, and ne...

journal_title：American journal of obstetrics and gynecology

authors： Buhimschi IA,Buhimschi CS,Pupkin M,Weiner CP

更新日期：2003-07-01 00:00:00

abstract：:Thirty-two patients with uncomplicated twin pregnancies had ultrasonographic examinations for genetic amniocentesis, confirmation of twinning, or assessment of fetal growth. The dividing membranes between the fetuses were visualized, and the thickness of the membranes was measured. With a thickness of 2 mm used as a c...

journal_title：American journal of obstetrics and gynecology

authors： Winn HN,Gabrielli S,Reece EA,Roberts JA,Salafia C,Hobbins JC

更新日期：1989-12-01 00:00:00

abstract：OBJECTIVE:We hypothesize that genetic variations (single nucleotide polymorphisms-SNPs) in the tumor necrosis factor-alpha (TNF-alpha), TNF receptors (TNFRI and TNFRII), interleukin-6 (IL-6) and IL-6 receptor (IL-6R) genes predict high-risk status for spontaneous preterm birth (sPTB) in European-American women. In this...

journal_title：American journal of obstetrics and gynecology

authors： Menon R,Velez DR,Simhan H,Ryckman K,Jiang L,Thorsen P,Vogel I,Jacobsson B,Merialdi M,Williams SM,Fortunato SJ

更新日期：2006-06-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to compare the rate of vaginal birth after cesarean (VBAC) attempt, VBAC failure, and major maternal adverse outcomes in women with a previous cesarean with twin or singleton pregnancies. STUDY DESIGN:This was a multicenter retrospective cohort study between the years 1996 and 2...

journal_title：American journal of obstetrics and gynecology

authors： Cahill A,Stamilio DM,Paré E,Peipert JP,Stevens EJ,Nelson DB,Macones GA

更新日期：2005-09-01 00:00:00

abstract：:Current ultrasonographic techniques offer a novel approach for the identification of a wide variety of placental abnormalities usually described postnatally by the pathologist. Placental vascular lesions, placental tumors, and abnormal placentation are potentially associated with perinatal complications and their diag...

journal_title：American journal of obstetrics and gynecology

authors： Jauniaux E,Campbell S

更新日期：1990-11-01 00:00:00

abstract：:This study was designed to re-evaluate neonatal condition at birth following elective cesarean section performed with epidural anesthesia and a modified technique of general anesthesia. Two groups of 20 patients were studied. Twenty received epidural anesthesia with 2 per cent lidocaine-carbon dioxide-epinephrine, and...

journal_title：American journal of obstetrics and gynecology

authors： Fox GS,Smith JB,Namba Y,Johnson RC

更新日期：1979-01-01 00:00:00

abstract：OBJECTIVE:Pregnancies complicated by gestational diabetes mellitus (GDM) or preexisting diabetes mellitus (DM) are at high risk for adverse newborn outcomes. Whether GDM history, recurrence, or transition to DM modifies such risks is unknown. STUDY DESIGN:Medical record data on 62,013 repeat singleton pregnancies were...

journal_title：American journal of obstetrics and gynecology

authors： Boghossian NS,Yeung E,Albert PS,Mendola P,Laughon SK,Hinkle SN,Zhang C

更新日期：2014-05-01 00:00:00

abstract：:This article reviews the epidemiology, management, and outcome of 71 quadruplet pregnancies that occurred between 1980 and 1989. A study of detailed medical questionnaires and medical records revealed that 67 (94%) of the pregnancies followed ovulation induction therapy. A majority of the pregnancies were diagnosed by...

journal_title：American journal of obstetrics and gynecology

authors： Collins MS,Bleyl JA

更新日期：1990-06-01 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：:Management of idiopathic thrombocytopenic purpura (ITP) during pregnancy requires concern for both fetal and maternal morbidity and death. A review of 14 pregnancies revealed significant maternal morbidity but no maternal deaths. The perinatal mortally was21 per cent. Current recommendations for management include:...

journal_title：American journal of obstetrics and gynecology

authors： Laros RK,Sweet RL

更新日期：1975-05-01 00:00:00

abstract：:Retirement of obstetrician-gynecologists is becoming a matter of increasing concern in light of an expected shortage of practicing physicians. Determining a retirement age is often complex. We address what constitutes a usual retirement age range from general clinical practice for an obstetrician-gynecologist, compare...

journal_title：American journal of obstetrics and gynecology

authors： Rayburn WF,Strunk AL,Petterson SM

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:The established method of screening for preeclampsia is to identify risk factors from maternal demographic characteristics and medical history; in the presence of such factors the patient is classified as high risk and in their absence as low risk. However, the performance of such an approach is poor. We dev...

journal_title：American journal of obstetrics and gynecology

authors： Wright D,Tan MY,O'Gorman N,Poon LC,Syngelaki A,Wright A,Nicolaides KH

更新日期：2019-02-01 00:00:00

abstract：OBJECTIVE:We compared the diagnostic performances of fetal fibronectin assay of cervical and vaginal secretions and of transvaginal ultrasonographic evaluation of the uterine cervix in the prediction of preterm delivery of patients presenting with preterm labor and intact membranes. STUDY DESIGN:One hundred eight pati...

journal_title：American journal of obstetrics and gynecology

authors： Rizzo G,Capponi A,Arduini D,Lorido C,Romanini C

更新日期：1996-11-01 00:00:00

abstract：OBJECTIVE:Our purpose was to investigate perfusion pressure changes ex vivo induced by angiotensin II on fetoplacental vasculature pretreated with low-dose acetylsalicylic acid. STUDY DESIGN:Two cotyledons from each of 12 placentas were perfused. The intervillous space of one cotyledon was infused with acetylsalicylic...

journal_title：American journal of obstetrics and gynecology

authors： Napolitano PG,Hoeldtke NJ,Moore KH,Calhoun BC,Christensen ED,Markenson GR,Hume RF Jr

更新日期：1997-11-01 00:00:00

abstract：:The term microinvasive carcinoma is inappropriate when applied to all vulvar cancers less than or equal to 5 mm thick because approximately 50% of vulvar carcinomas are no thicker than 5 mm and 20% of those superficial tumors metastasize to the lymph nodes. The significant predictors of groin node metastases in patien...

journal_title：American journal of obstetrics and gynecology

authors： Sedlis A,Homesley H,Bundy BN,Marshall R,Yordan E,Hacker N,Lee JH,Whitney C

更新日期：1987-05-01 00:00:00

abstract：OBJECTIVE:Our purpose was to investigate the efficacy of postsurgical treatment with nafarelin in women with advanced endometriosis. STUDY DESIGN:Eligible for trial were women < or = 38 years old with unexplained infertility with or without chronic pelvic pain and stage III or IV endometriosis according to the America...

journal_title：American journal of obstetrics and gynecology

authors： Parazzini F,Fedele L,Busacca M,Falsetti L,Pellegrini S,Venturini PL,Stella M

更新日期：1994-11-01 00:00:00

abstract：:The effect of Danazol, a new gonadotropin inhibitor, was examined in four categories of patients. (1) Ten normal women medicated orally with Danazol, 800 mg. daily for 91 days, showed no depression of serum LH, estrone, estradiol, or progesterone below control, second-day levels. The serum FSH was slightly depressed; ...

journal_title：American journal of obstetrics and gynecology

authors： Andrews MC,Wentz AC

更新日期：1975-03-15 00:00:00

abstract：:Supernatants from isolated trophoblast cell cultures (trophoblastic fluid) derived from first-trimester human placentas were assessed for immunoregulatory activity. Trophoblastic fluid at different days of culture consistently inhibited the blast transformation of allogenic lymphocytes. This suppressor effect had no a...

journal_title：American journal of obstetrics and gynecology

authors： Sanyal MK,Brami CJ,Bischof P,Simmons E,Barnea ER,Dwyer JM,Naftolin F

更新日期：1989-08-01 00:00:00

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

authors： Smith GN,Walker MC,Liu A,Wen SW,Swansburg M,Ramshaw H,White RR,Roddy M,Hladunewich M,Pre-Eclampsia New Emerging Team (PE-NET).

更新日期：2009-01-01 00:00:00

abstract：OBJECTIVE:Our aim was to investigate whether the human placenta is permeable to sulindac or its active sulfide metabolite. STUDY DESIGN:Nine pregnant patients (median gestational age [range]: 31.8 [24.3 to 36.4] weeks) were given a 200 mg oral dose of sulindac 5.5 (4.4 to 6.7) hours before 18 intravascular transfusion...

journal_title：American journal of obstetrics and gynecology

authors： Kramer WB,Saade G,Ou CN,Rognerud C,Dorman K,Mayes M,Moise KJ Jr

更新日期：1995-03-01 00:00:00

abstract：OBJECTIVE:We hypothesized that body composition would be similar among neonates of women with gestational diabetes (GDM) treated with glyburide or insulin. STUDY DESIGN:Women with GDM requiring medical therapy were randomized to insulin or glyburide. The primary outcome was percent neonatal fat mass measured by total ...

journal_title：American journal of obstetrics and gynecology

authors： Lain KY,Garabedian MJ,Daftary A,Jeyabalan A

更新日期：2009-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to investigate the effect of plasma volume expansion on the pulsatility indices of the fetal umbilical and middle cerebral arteries. STUDY DESIGN:Two hundred sixteen patients with severe preeclampsia, HELLP (hemolysis, elevated liver enzymes, and low platelet count) syndrome, ec...

journal_title：American journal of obstetrics and gynecology

authors： Ganzevoort W,Rep A,Bonsel GJ,De Vries JI,Wolf H,PETRA investigators.

更新日期：2005-01-01 00:00:00

abstract：:We have extended our evaluation of the effects of three beta-adrenergic agents in near-term pregnant sheep to include a period of infusion three times longer than previously studied. This extension has provided the following information: (1) Initial depression of uterine blood flow and mean arterial pressure associate...

journal_title：American journal of obstetrics and gynecology

authors： Brennan SC,McLaughlin MK,Chez RA

更新日期：1977-08-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to determine the association of maternal psychotropic medication use during pregnancy with preterm delivery and other adverse perinatal outcomes. STUDY DESIGN:A cohort of 2793 pregnant women in Washington State was interviewed, and their medical files were abstracted. Logistic r...

journal_title：American journal of obstetrics and gynecology

authors： Calderon-Margalit R,Qiu C,Ornoy A,Siscovick DS,Williams MA

更新日期：2009-12-01 00:00:00

abstract：:Placental-related fetal growth restriction arises primarily due to deficient remodeling of the uterine spiral arteries supplying the placenta during early pregnancy. The resultant malperfusion induces cell stress within the placental tissues, leading to selective suppression of protein synthesis and reduced cell proli...

journal_title：American journal of obstetrics and gynecology

authors： Burton GJ,Jauniaux E

更新日期：2018-02-01 00:00:00

abstract：BACKGROUND:Noninvasive monitoring of fetal development and the early detection of pregnancy-associated complications is challenging, largely because of the lack of information about the molecular spectrum during pregnancy. Recently, cell-free DNA in plasma was found to reflect the global nucleosome footprint and status...

journal_title：American journal of obstetrics and gynecology

authors： Han BW,Yang F,Guo ZW,Ouyang GJ,Liang ZK,Weng RT,Yang X,Huang LP,Wang K,Li FX,Huang J,Yang XX,Wu YS

更新日期：2020-08-29 00:00:00

abstract：:During a 12-year period, 254 cases of eclampsia were managed at this center. Eighty patients (32%) did not have edema, 58 (23%) had "relative hypertension," and 49 (19%) did not have proteinuria at the time of convulsions. Eclampsia developed at less than or equal to 20 weeks in 6 patients and beyond 48 hours post par...

journal_title：American journal of obstetrics and gynecology

authors： Sibai BM

更新日期：1990-09-01 00:00:00

abstract：OBJECTIVE:This study was undertaken to establish the optimal threshold of birth weight discordance for prediction of adverse outcome in liveborn, non-malformed preterm twins. STUDY DESIGN:We accessed a cohort of twin gestations for the period 1990 through 2000 delivered at less than 37.0 weeks' gestation. Adverse neon...

journal_title：American journal of obstetrics and gynecology

authors： Vergani P,Locatelli A,Ratti M,Scian A,Pozzi E,Pezzullo JC,Ghidini A

更新日期：2004-10-01 00:00:00