Fetal subcutaneous scalp PO2 and abnormal heart rate during labor.

abstract：:Serial hemodynamic investigations were performed in 10 women with twin pregnancies at 20, 24, 28, 32, and 36 weeks' gestation and at 6 months after delivery. Cardiac output was measured by Doppler and cross-sectional echocardiography at the aortic, pulmonary, and mitral valves. Cardiac chamber size and ventricular fun...

journal_title：American journal of obstetrics and gynecology

authors： Robson SC,Hunter S,Boys RJ,Dunlop W

更新日期：1989-11-01 00:00:00

abstract：OBJECTIVE:Our purpose was to evaluate the placental pathology in women with preeclampsia occurring at varying gestational ages. STUDY DESIGN:This was a secondary analysis of a prospective observational study of placentas from prespecified complicated pregnancies routinely submitted for standardized examination. For th...

journal_title：American journal of obstetrics and gynecology

authors： Nelson DB,Ziadie MS,McIntire DD,Rogers BB,Leveno KJ

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVE:We sought to describe placental findings in asphyxiated term newborns meeting therapeutic hypothermia criteria and to assess whether histopathologic correlation exists between these placental lesions and the severity of later brain injury. STUDY DESIGN:We conducted a prospective cohort study of the placentas...

journal_title：American journal of obstetrics and gynecology

authors： Wintermark P,Boyd T,Gregas MC,Labrecque M,Hansen A

更新日期：2010-12-01 00:00:00

abstract：OBJECTIVE:Our purpose was to define the proliferative response and receptor status in the mammary glands of surgically postmenopausal macaques given hormone replacement therapy, equivalent for monkeys to that given women. STUDY DESIGN:Surgically postmenopausal adult female cynomolgus macaques (Macaca fascicularis) wer...

journal_title：American journal of obstetrics and gynecology

authors： Cline JM,Soderqvist G,von Schoultz E,Skoog L,von Schoultz B

更新日期：1996-01-01 00:00:00

abstract：:Pancervicovaginal (Papanicolaou) smears exhibiting pseudomycilial-like clumps of organisms obtained from 35 women employing IUD's were studied by direct immunofluorescent technique for identification of A. israelii and A. naeslundi. In every case the specific fluorescence was achieved with species-specific antiserum a...

journal_title：American journal of obstetrics and gynecology

authors： Spence MR,Gupta PK,Frost JK,King TM

更新日期：1978-06-01 00:00:00

abstract：OBJECTIVE:Our objective was to explore the association between maternal ethnicity and maternal antepartum complications of pregnancy, maternal sociodemographic factors, and newborn characteristics with the incidence of hyaline membrane disease. STUDY DESIGN:By using a retrospective cohort analysis the incidence of hya...

journal_title：American journal of obstetrics and gynecology

authors： Hulsey TC,Alexander GR,Robillard PY,Annibale DJ,Keenan A

更新日期：1993-02-01 00:00:00

abstract：:Seventeen pregnant rabbits were studied under conscious, unstressed conditions after catheterization of the right ventricle (RV), a femoral artery (A), and a uterine vein (UV). Respiratory gas tensions, pH, and oxygen saturations and contents were determined serially throughout the latter half of gestation. The uterin...

journal_title：American journal of obstetrics and gynecology

authors： Murray RD,Jones RO,Johnson R,Meschia G,Battaglia FC

更新日期：1985-07-15 00:00:00

abstract：OBJECTIVE:The purpose of this study was to characterize the pelvic floor of the rhesus macaque as an experimental model for human pelvic organ prolapse and to initiate an evaluation of the effects of estradiol and progesterone on the rhesus paravaginal attachment. STUDY DESIGN:Histologic specimens were prepared from t...

journal_title：American journal of obstetrics and gynecology

authors： Otto LN,Slayden OD,Clark AL,Brenner RM

更新日期：2002-03-01 00:00:00

abstract：OBJECTIVE:This study aimed to conduct a systematic review of the clinical outcomes reported for pregnant patients with coronavirus disease 2019. DATA SOURCES:The PubMed, CINAHL, and Scopus databases were searched using a combination of key words such as "Coronavirus and/or pregnancy," "COVID and/or pregnancy," "COVID ...

journal_title：American journal of obstetrics and gynecology

authors： Della Gatta AN,Rizzo R,Pilu G,Simonazzi G

更新日期：2020-07-01 00:00:00

abstract：:We present a case of a primiparous patient at 35 weeks' gestation who had had laparoscopic gastric banding, and who presented to labor and delivery with protracted vomiting followed by an acute abdomen and fetal distress. An emergency surgery revealed acute gastric ulcer perforation. This complication, although rare, ...

journal_title：American journal of obstetrics and gynecology

authors： Erez O,Maymon E,Mazor M

更新日期：2004-11-01 00:00:00

abstract：:We investigated factors affecting the sex differential in neonatal mortality rate using linked birth and death certificates of more than 300,000 infants born in Georgia between 1974 and 1977. The neonatal mortality rate was higher in male infants than in female infants (relative risk = 1.23, p less than 10(-8)) and wa...

journal_title：American journal of obstetrics and gynecology

authors： Khoury MJ,Marks JS,McCarthy BJ,Zaro SM

更新日期：1985-03-15 00:00:00

abstract：OBJECTIVE:Water absorption across the fetal chorioamniotic membranes is a critical regulatory pathway for amniotic fluid volume homeostasis. Aquaporins are cell membrane proteins that significantly enhance membrane permeability to water by acting as water channels. We recently demonstrated that aquaporin 8 is expressed...

journal_title：American journal of obstetrics and gynecology

authors： Wang S,Chen J,Au KT,Ross MG

更新日期：2003-04-01 00:00:00

abstract：OBJECTIVE:Knowledge of the stereology of human myometrium in pregnancy is limited. Uterine contractile performance may be altered in association with maternal obesity and advanced maternal age. The aim of this study was to investigate the stereology of human myometrium in pregnancy, and to evaluate a potential influenc...

journal_title：American journal of obstetrics and gynecology

authors： Sweeney EM,Crankshaw DJ,O'Brien Y,Dockery P,Morrison JJ

更新日期：2013-04-01 00:00:00

abstract：:This article addresses the question of whether the uterine cavity is normally sterile and reviews the difficulties in conducting microbiologic studies of the endometrium, the limitations of conventional microbiologic techniques (cultivation-dependent), and the potential contribution of molecular microbiology to examin...

journal_title：American journal of obstetrics and gynecology

authors： Espinoza J,Erez O,Romero R

更新日期：2006-03-01 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：OBJECTIVE:The objective of the study was to test whether ultrasound-measured fetal adrenal gland volume (AGV) and fetal zone enlargement (FZE) predicts preterm birth (PTB) better than cervical length (CL). STUDY DESIGN:Three-dimensional and 2-dimensional ultrasound were used prospectively to measure fetal AGV, FZE, an...

journal_title：American journal of obstetrics and gynecology

authors： Turan OM,Turan S,Funai EF,Buhimschi IA,Campbell CH,Bahtiyar OM,Harman CR,Copel JA,Buhimschi CS,Baschat AA

更新日期：2011-04-01 00:00:00

abstract：:Fetal plasma amino acid concentrations were obtained by cordocentesis at midgestation in 11 normal (appropriate for gestational age) fetuses and at late gestation in 12 small-for-gestational-age fetuses, and at cesarean section in 14 normal term infants. In normal fetuses total molar amino acid concentrations and feta...

journal_title：American journal of obstetrics and gynecology

authors： Cetin I,Corbetta C,Sereni LP,Marconi AM,Bozzetti P,Pardi G,Battaglia FC

更新日期：1990-01-01 00:00:00

abstract：:The cancer antigen CA 125 is manifest by serous cystadenocarcinoma of the ovary and to a lesser extent by other gynecologic and nongynecologic tumors. Its presence was screened for in normal human fetal tissues and fluids. Appreciable quantities of CA 125 were discovered in amniotic fluid by both a dot blot assay and ...

journal_title：American journal of obstetrics and gynecology

authors： O'Brien TJ,Hardin JW,Bannon GA,Norris JS,Quirk JG Jr

更新日期：1986-07-01 00:00:00

abstract：OBJECTIVE:Preterm premature rupture of fetal membranes has been associated with infection, cigarette smoking, and bleeding. Hypochlorous acid (a reactive oxygen species) is central to the body's response to infection, yet it may damage surrounding tissue while destroying pathogens. We examined in vitro the tissue-damag...

journal_title：American journal of obstetrics and gynecology

authors： Plessinger MA,Woods JR Jr,Miller RK

更新日期：2000-10-01 00:00:00

abstract：OBJECTIVE:The objective of the study was to investigate the impact of postpartum fecal incontinence (FI) and urinary incontinence (UI) on quality of life (QOL). STUDY DESIGN:Seven hundred fifty-nine primiparous women in the Childbirth and Pelvic Symptoms study were interviewed 6 months postpartum. FI and UI were asses...

journal_title：American journal of obstetrics and gynecology

authors： Handa VL,Zyczynski HM,Burgio KL,Fitzgerald MP,Borello-France D,Janz NK,Fine PM,Whitehead W,Brown MB,Weber AM,Pelvic Floor Disorders Network.

更新日期：2007-12-01 00:00:00

abstract：OBJECTIVE:This study compared myoendometrial versus placental radial uterine arteries from late-pregnant rats to evaluate differences in passive mechanical properties and arterial wall hyperplasia. STUDY DESIGN:Myoendometrial and placental radial uterine arteries were dissected from late-pregnant (day 17-19) Sprague-D...

journal_title：American journal of obstetrics and gynecology

authors： Hammer ES,Cipolla MJ

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVE:Retinoic acid plays an essential role in epithelial differentiation, and retinoid homeostasis is disrupted in cancers of epithelial origin. The goal of this study was to determine whether hRoDH-4, an enzyme that can catalyze the first and rate-limiting step in retinoic acid biosynthesis, is expressed in norma...

journal_title：American journal of obstetrics and gynecology

authors： Cain JM,Zaino R,Shearer D,Bennett RA,Olt G,Weisz J

更新日期：2002-04-01 00:00:00

abstract：:Micromanipulative techniques, such as subzonal insemination and direct intracytoplasmic sperm injection, are used when standard in vitro fertilization techniques have failed. These new approaches are currently under investigation in a variety of centers across the country. The projected results and the strengths and w...

journal_title：American journal of obstetrics and gynecology

authors： Tucker MJ

更新日期：1995-02-01 00:00:00

abstract：OBJECTIVE:Fasting during pregnancy stimulates preterm delivery in animals and increases women's risk for preterm delivery. Fasting stimulates hypothalamic corticotropin-releasing hormone production in animals. Elevated maternal corticotropin-releasing hormone concentrations are associated with preterm birth. We hypothe...

journal_title：American journal of obstetrics and gynecology

authors： Herrmann TS,Siega-Riz AM,Hobel CJ,Aurora C,Dunkel-Schetter C

更新日期：2001-08-01 00:00:00

abstract：OBJECTIVE:Our purpose was to assess whether a program of expectant management of uncomplicated pregnancies in mothers with insulin-requiring gestational or pregestational class B reduces the incidence of cesarean birth. STUDY DESIGN:Two hundred women with uncomplicated, insulin-requiring diabetes at 38 weeks' gestatio...

journal_title：American journal of obstetrics and gynecology

authors： Kjos SL,Henry OA,Montoro M,Buchanan TA,Mestman JH

更新日期：1993-09-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to review the population incidence of congenital gastroschisis in Western Australia over the past 2 decades. STUDY DESIGN:A population-based incidence study of congenital gastroschisis from 1980 to 2001. Maternal and perinatal outcome data were collected to ascertain incidence, ...

journal_title：American journal of obstetrics and gynecology

authors： Reid KP,Dickinson JE,Doherty DA

更新日期：2003-09-01 00:00:00

abstract：OBJECTIVES:Our purpose was to determine the newborn complications after respiratory or metabolic acidosis at delivery and to demonstrate the characteristics of an asphyxial insult predictive of these complications. STUDY DESIGN:Fifty-nine term fetuses with metabolic acidosis were matched with 59 fetuses with normal bl...

journal_title：American journal of obstetrics and gynecology

authors： Low JA,Panagiotopoulos C,Derrick EJ

更新日期：1994-04-01 00:00:00

abstract：:Twenty-four cases of fetal cystic hygroma colli were diagnosed by ultrasound. In two patients, the diagnosis was not confirmed at autopsy. Ten of these were cases of Turner's syndrome, one was a case of Turner's mosaicism, three had other aneuploidies, four had normal chromosomes, and six had a failed chromosome cultu...

journal_title：American journal of obstetrics and gynecology

authors： Garden AS,Benzie RJ,Miskin M,Gardner HA

更新日期：1986-02-01 00:00:00

abstract：:Cryosurgery was used to treat 208 patients with cervical intraepithelial neoplasia. These patients were referred to our Colposcopy Clinic for investigation of an abnormal Papanicolaou smear. Prior to treatment a colposcopically directed biopsy was taken in all cases. The regrigerant used for cryosurgery was nitrous ox...

journal_title：American journal of obstetrics and gynecology

authors： Popkin DR,Scali V,Ahmed MN

更新日期：1978-03-01 00:00:00

abstract：:Posterior vaginal repair is often poorly understood and ineffectively performed. The goals of reconstructive surgery emphasize relief of symptoms and restoration of normal anatomic relationships and of function. A useful method to preoperatively determine posterior vaginal wall weakness is outlined along with a surgic...

journal_title：American journal of obstetrics and gynecology

authors： Nichols DH

更新日期：1991-03-01 00:00:00