Pregnancy-associated recurrent hemolytic uremic syndrome with fetal thrombotic vasculopathy in the placenta.

abstract：OBJECTIVES:We prospectively evaluated the accuracy of a gestational age-independent method of detecting abnormal growth, the transverse cerebellar diameter/abdominal circumference ratio, and compared this with standard ultrasonographic methods of growth assessment. STUDY DESIGN:We prospectively studied 825 low-risk ob...

journal_title：American journal of obstetrics and gynecology

authors： Meyer WJ,Gauthier D,Ramakrishnan V,Sipos J

更新日期：1994-10-01 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：:The effect of ritodrine hydrochloride on uterine blood flow was investigated in near-term guinea pigs. The infusion of ritodrine in doses sufficient to inhibit uterine activity provoked tachycardia, and the cardiac output tended to rise. The percentage of cardiac output reaching the gravid uterus did not alter during ...

journal_title：American journal of obstetrics and gynecology

authors： Mårtensson L,Sjöquist PO,Bjellin L,Carter AM

更新日期：1979-10-01 00:00:00

abstract：:Previous investigations have shown that the human placenta is a complex organ with different zones, each with a unique morphology. These zonal morphologic difference have been related to a probable blood PO2 gradient operating in the intervillous space. This study describes zonal variations in the vertical plane of th...

journal_title：American journal of obstetrics and gynecology

authors： Teasdale F

更新日期：1978-04-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to assess the use of circulating trophoblast cells in maternal peripheral blood for noninvasive prenatal diagnosis of numeric chromosomal aberrations. STUDY DESIGN:A combined procedure for immunocytochemical identification and deoxyribonucleic acid fluorescence in situ hybridization...

journal_title：American journal of obstetrics and gynecology

authors： van Wijk IJ,Griffioen S,Tjoa ML,Mulders MA,van Vugt JM,Loke YW,Oudejans CB

更新日期：2001-04-01 00:00:00

abstract：OBJECTIVE:We have investigated the use of uterine artery Doppler waveform analysis in growth restricted fetuses delivered at > or =34 weeks. STUDY DESIGN:Included in the study were all consecutive euploid non-malformed singleton fetuses with accurate dating diagnosed as growth restricted (sonographic abdominal circumf...

journal_title：American journal of obstetrics and gynecology

authors： Vergani P,Roncaglia N,Andreotti C,Arreghini A,Teruzzi M,Pezzullo JC,Ghidini A

更新日期：2002-10-01 00:00:00

abstract：:After treatment with human gonadotropins, 289 anovulatory women with apparently normal fallopian tubes became pregnant 379 times. Ten ectopic pregnancies in nine women were diagnosed, for an incidence of 2.7% of all conceptions. All the ectopic pregnancies were found in the fallopian tubes. Four patients had also an i...

journal_title：American journal of obstetrics and gynecology

authors： Gemzell C,Guillome J,Wang CF

更新日期：1982-08-01 00:00:00

abstract：:Placental pathology can be useful in a variety of ways including immediate diagnosis of important conditions affecting the mother or infant, identifying conditions that are likely to recur in subsequent pregnancies, separating clinical syndromes into distinct pathological phenotypes for further investigation, and unco...

journal_title：American journal of obstetrics and gynecology

authors： Redline RW

更新日期：2015-10-01 00:00:00

abstract：OBJECTIVE:The objective of the study was to examine weight and its relationship to glucose intolerance during pregnancy. STUDY DESIGN:Women were classified into mutually exclusive glucose tolerance groups; impaired glucose tolerance of pregnancy defined as 1 high value on the oral glucose tolerance test, gestational d...

journal_title：American journal of obstetrics and gynecology

authors： Saldana TM,Siega-Riz AM,Adair LS,Suchindran C

更新日期：2006-12-01 00:00:00

abstract：:We analyzed changes over time in neonatal mortality rates for infants born weighing 501 to 1000 gm. The decline in total mortality in this weight group due to improved small-group, birth weight-specific mortality was contrasted to the increase in mortality caused by changes in the birth weight distribution resulting f...

journal_title：American journal of obstetrics and gynecology

authors： Goldenberg RL,Nelson KG,Koski JF,Cutter G,Cassady GE

更新日期：1985-03-01 00:00:00

abstract：:This article presents a review of 902 tubal sterilizations performed in an 18 1/2-year period at a predominantly private teaching service. 803 (89%) of the sterilizations were puerperal, generally performed within 48 hours of delivery or with cesarean section. The Pomeroy technique (often modified) was used in 97.2%...

journal_title：American journal of obstetrics and gynecology

authors： McElin TW,Buckingham JC,Johnson RE

更新日期：1967-02-15 00:00:00

abstract：:A review of 80 cases of planned or anticipated cesarean hysterectomies done at major centers in the greater Los Angeles area is presented. There were no deaths and five cases of morbidity. Nineteen percent, or one of five cases, required blood transfusions. According to the recommendation of the American Association o...

journal_title：American journal of obstetrics and gynecology

authors： McNulty JV

更新日期：1984-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to determine whether quantification of cervicovaginal fluid fetal fibronectin (fFN) improves diagnostic accuracy of spontaneous preterm birth (sPTB) in symptomatic women. STUDY DESIGN:A prospective blinded predefined secondary analysis of a larger study of cervicovaginal fluid f...

journal_title：American journal of obstetrics and gynecology

authors： Abbott DS,Radford SK,Seed PT,Tribe RM,Shennan AH

更新日期：2013-02-01 00:00:00

abstract：:Statistical procedures for hypothesis testing and interval estimation of the difference in a pair of Pearl rates are presented. The p value of the test statistic is evaluated exactly from the binomial distribution or approximately from the standard normal distribution. Interval estimation is provided by the test-based...

journal_title：American journal of obstetrics and gynecology

authors： Higgins JE,Wilkens LR

更新日期：1985-03-01 00:00:00

abstract：:The progesterone antagonist onapristone was used in guinea pigs during late pregnancy (43 +/- 2 days after coitus) and before term (day 61 after coitus) to investigate the role of progesterone on uterine reactivity to exogenous oxytocin, concentration of oxytocin receptors, and gap junctions in the myometrium. Onapris...

journal_title：American journal of obstetrics and gynecology

authors： Chwalisz K,Fahrenholz F,Hackenberg M,Garfield R,Elger W

更新日期：1991-12-01 00:00:00

abstract：OBJECTIVE:We previously demonstrated that prenatal nicotine exposure decreases neonatal pulmonary function in nonhuman primates, and maternal vitamin C supplementation attenuates these deleterious effects. However, the effect of nicotine on placental perfusion and development is not fully understood. This study utilize...

journal_title：American journal of obstetrics and gynecology

authors： Lo JO,Schabel MC,Roberts VH,Morgan TK,Rasanen JP,Kroenke CD,Shoemaker SR,Spindel ER,Frias AE

更新日期：2015-03-01 00:00:00

abstract：:Although anovulation associated with hyperprolactinemia is not an uncommon cause of infertility, the precise mechanism of the pathogenic process that induces hyperactivity (hypertrophy with hyperplasia) of pituitary lactotropes is unknown. We have recently experienced a case of anovulation and hyperprolactinemia in a ...

journal_title：American journal of obstetrics and gynecology

authors： Sakamoto H,Den K,Kondo Y,Tsubata K,Takagi S

更新日期：1987-08-01 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

authors： Srinivas SK,Morrison AC,Andrela CM,Elovitz MA

更新日期：2010-05-01 00:00:00

abstract：:The Long-Acting Reversible Contraception (LARC) Program at the American College of Obstetricians and Gynecologists (ACOG) celebrated its 10th anniversary in 2018. This Viewpoint article reviews opportunities, challenges, and lessons learned by the ACOG LARC Program throughout the last decade. Housed within the largest...

journal_title：American journal of obstetrics and gynecology

authors： Horvath S,Bumpus M,Luchowski A

更新日期：2020-04-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to assess the role of fetal nasal bones evaluation in first-trimester screening for trisomy 21 in selected and unselected pregnancies. STUDY DESIGN:Visualization of the nasal bones was attempted in women attending for routine nuchal translucency screening (unselected population,...

journal_title：American journal of obstetrics and gynecology

authors： Prefumo F,Sairam S,Bhide A,Thilaganathan B

更新日期：2006-03-01 00:00:00

abstract：:The activity of smooth muscles in the cervix is one of the relevant factors for its dilatation during labor, but in humans it has not yet been sufficiently studied. Muscular activity may be observed by measuring electromyographic phenomena. In 60 parturient women of different parity and with various degrees of cervica...

journal_title：American journal of obstetrics and gynecology

authors： Pajntar M,Roskar E,Rudel D

更新日期：1987-03-01 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：OBJECTIVES:The purpose of our study was to investigate the combined interactive effects of maternal age, parity, and smoking on pregnancy outcome. STUDY DESIGN:This was a population-based Swedish study (n = 538,829). RESULTS:Multiple logistic regression analysis showed that the smoking-related effect on the relative ...

journal_title：American journal of obstetrics and gynecology

authors： Cnattingius S,Forman MR,Berendes HW,Graubard BI,Isotalo L

更新日期：1993-01-01 00:00:00

abstract：:The levels of unconjugated estriol in maternal vein serum during labor, cord artery serum, and cord vein serum were measured in normal pregnancy and in pregnancy complicated by intrauterine growth retardation. The mean level of unconjugated estriol in maternal vein serum was significantly lower in the intrauterine gro...

journal_title：American journal of obstetrics and gynecology

authors： Gorwill RH,Sarda IR

更新日期：1977-01-01 00:00:00

abstract：:Preterm birth remains a major cause of perinatal morbidity and mortality. A short cervix is strongly associated with spontaneous preterm birth. Professional organizations support cervical length screening for singleton gestations with a prior spontaneous preterm birth and second-trimester cervical length measurements ...

journal_title：American journal of obstetrics and gynecology

authors： Khalifeh A,Berghella V

更新日期：2016-12-01 00:00:00

abstract：:The nonstress test remains the most widely used method of antepartum fetal health assessment in multiple gestations. However, few data are available on factors influencing its results in those cases. Our observation on 530 such tests has shown results similar to those in singleton gestations. Prematurity was associate...

journal_title：American journal of obstetrics and gynecology

authors： Patkos P,Boucher M,Broussard PM,Phelan JP,Platt LD

更新日期：1986-05-01 00:00:00

abstract：OBJECTIVE:Intraperitoneal adhesions are a significant cause of morbidity among women of reproductive age. Monocyte chemotactic protein 1 plays a role in the chemotaxis of mononuclear cells and fibroblasts into the peritoneal injury site. To evaluate its role in intraperitoneal adhesion formation, we used an established...

journal_title：American journal of obstetrics and gynecology

authors： Zeyneloglu HB,Seli E,Senturk LM,Gutierrez LS,Olive DL,Arici A

更新日期：1998-08-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the effect of prophylactic vaginal progesterone in decreasing preterm birth rate in a high-risk population. STUDY DESIGN:A randomized, double-blind, placebo-controlled study included 142 high-risk singleton pregnancies. Progesterone (100 mg) or placebo was administer...

journal_title：American journal of obstetrics and gynecology

authors： da Fonseca EB,Bittar RE,Carvalho MH,Zugaib M

更新日期：2003-02-01 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

authors： Gleicher N,el-Roeiy A

更新日期：1988-07-01 00:00:00

abstract：:Domiciliary fetal monitoring via a telephone link has been in clinical use at the Royal Free Hospital for 2 years, during which time 858 traces of 134 patients who were moderately at risk have been transmitted to the hospital. All recognized abnormal heart rate patterns were detected during the study period. In seven ...

journal_title：American journal of obstetrics and gynecology

authors： Lindsay PC,Beveridge R,Tayob Y,Irvine LM,Vellacott ID,Giles JA,Hussain SY,O'Brien PM

更新日期：1990-02-01 00:00:00