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Young Brett - - 2010
BACKGROUND: Women with genital anomalies are at increased risk of labor dysfunction. Rupture of the posterior cul-de-sac causing an intraabdominal delivery is a rare complication of labor that may be related to a congenitally atretic vagina. CASE: A nulliparous woman at 28 weeks of gestation with a known short vagina ...
Contag Stephen A SA Department of Obstetrics and Gynecology at Wake Forest University, Winston-Salem, North Carolina, USA. - - 2010
We compared outcomes for neonates with forceps-assisted, vacuum-assisted, or cesarean delivery in the second stage of labor. This is a secondary analysis of a randomized trial in laboring, low-risk, nulliparous women at >or=36 weeks' gestation. Neonatal outcomes after use of forceps, vacuum, and cesarean were compared among women in the ...
Zulfikaroglu Ebru - - 2010
Hydatid cystic disease is a parasitic disease primarily infesting the sheep and cattle. It is a rare condition in pregnancy with an incidence of 1/20000 pregnancies. An eighteen-year-old primigravida was evaluated due to obstructed labor. Multiple abdominal and pelvic hydatid cysts were diagnosed by ultasonography and a healthy infant with ...
Molina Francisca S - - 2010
Ultrasound may play an important role in the management of labor and delivery. Induction of labor is a common obstetric intervention, performed in about 20% of pregnancies. Pre-induction cervical length, measured by transvaginal sonography, has been shown to have a significant association with the induction-to-delivery interval and the risk for ...
Buxton Iain L O - - 2010
We tested the hypothesis that the stretch-activated, four-transmembrane domain, two pore potassium channels (K2P), TREK-1 and TRAAK are gestationally-regulated in human myometrium and contribute to uterine relaxation during pregnancy until labor. We determined the gene and protein expression of K2P channels in non-pregnant, pregnant term and preterm laboring myometrium. We ...
Moslem B B Université de Technologie de Compiègne - CNRS UMR 6600 Laboratoire Biomécanique et Bio-ingénierie, France. - - 2010
In respect to the main goal of our ongoing work for predicting preterm birth, we analyze in this paper the complexity of the uterine electromyography (EMG) by using the sample entropy (SampEn) algorithm. By considering recent methodological developments, we measure the SampEn over multiple scales using the wavelet packet decomposition ...
Hassan M M School of Science and Engineering, Reykjavik University, 103 Iceland. - - 2010
Most of the studies on the synchronization between EHG signals, recorded during the same contractions at different locations, are limited to the use of only two channels. Multichannel techniques have however been widely applied to EEG signals but rarely to EHG. In this paper, we investigate the use of multichannel ...
Hassan M M School of Science and Engineering, Reykjavik University, 103 Iceland. - - 2010
Labor prediction using the electrohysterogram has immediate clinical applications and has been the aim of several studies in recent years. Studies using various linear methods such as classic spectral analysis do not give clinically useful results. In this paper we present the use of two methods that investigate nonlinearity to ...
Lee Hee Joong - - 2010
Uterine fibroids are a very common finding in women of reproductive age. The majority of fibroids do not change their size during pregnancy, but one-third may grow in the first trimester. Although the data are conflicting and most women with fibroids have uneventful pregnancies, the weight of evidence in the ...
Matzo Marianne - - 2009
Keeping upright during labor may shorten childbirth.
Zahran Kamal M - - 2009
To assess the effectiveness and safety of sublingual misoprostol (50 microg), compared with the same dose administered vaginally every 6 h for cervical ripening and labor induction in women with a viable fetus in the third trimester of pregnancy. This double-blind randomized prospective placebo-controlled trial included 480 women with medical ...
Caliskan E - - 2010
BACKGROUND: The purpose of this study was to compare fetal oxygen saturation by fetal pulse oximetry in parturients with and without epidural labor analgesia in a prospective case control study. METHODS: Fetal oxygen saturation values were compared in term pregnant women who received epidural analgesia (epidural group) with those in ...
Higgins Claire A CA Reproductive & Maternal Medicine, Faculty of Medicine, University of Glasgow, United Kingdom. - - 2010
Maternal obesity is associated with increased rates of labor induction, dysfunctional labor requiring intrapartum cesarean delivery, and postpartum hemorrhage, implying that maternal obesity has an inhibitory effect on myometrial function and its ability to respond to oxytocin. This study aimed to use an in vitro model to investigate the relationship ...
Caughey Aaron B AB Stanford University, Stanford, CA 94305-6019, USA. - - 2009
The rates of induction of labor and elective induction of labor are increasing. Whether elective induction of labor improves outcomes or simply leads to greater complications and health care costs is commonly debated in the literature. To compare the benefits and harms of elective induction of labor and expectant management ...
Harirah Hassan H Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, - - 2009
The purpose of this study was to evaluate the expression and function of catechol-O-methyltransferase in human fetal membranes at term. Fetal membranes obtained from women between 38-42 weeks of gestation, after (1) vaginal delivery with spontaneous labor and (2) prelabor elective cesarean section (no labor), were assayed for catechol-O-methyltransferase expression ...
Yilmaz Bulent - - 2009
OBJECTIVE: To compare the efficacy and safety of meperidine hydrochloride and valethamate bromide against placebo in shortening the duration of active labor. METHOD: We randomly assigned 160 nulliparous women with a singleton pregnancy at term who needed induction of labor to one of 3 treatments: 50 mg of meperidine (n=53), ...
Gawade Prasad - - 2009
OBJECTIVE: To study a possible association between physical activity and the duration of second stage of labor among Hispanic women. STUDY DESIGN: We evaluated this relationship in the Latina Gestational Diabetes Mellitus Study, a prospective cohort of Hispanic obstetric patients. The Kaiser Physical Activity Survey was used to collect information ...
Ijaiya Munir'deen A - - 2009
OBJECTIVE: To evaluate the pattern of cervical dilatation in live singleton pregnancies with spontaneous onset of labor and to compare any differences among nulliparas (P ara 0) and multiparas (Para >or=1). MATERIAL AND METHODS: Descriptive statistics are presented for 238 consecutive labor patients with spontaneous onset, >or=37 weeks gestation, live ...
Pearson Timothy - - 2009
Cytochrome P-450 (CYP450) enzymes of the CYP2 and -4 family in humans metabolize arachidonic acid to generate bioactive epoxyeicosatrienenoic acids (EETs) and hydroxyeicosatetrenoic acids (HETEs). We report significantly higher levels of CYP 2J2 protein expression following the onset of labor (n = 6, P < 0.05), implying increased EET-generating capacity ...
Gomez-Lopez N - - 2009
One of the characteristics of the labor process in women is leukocyte recruitment into reproductive tissues. These migrating cells may play a role in the induction of functional and biochemical changes associated with the rupture of fetal membranes during labor. This study was undertaken to assess whether human fetal membranes ...
Gaffaney Cecilia A Lyons CA Division of Maternal-Fetal Medicine, Women's Pavilion at Miller Children's Hospital, Long Beach Memorial Medical Center, Long Beach, California, USA. - - 2009
We evaluated the effectiveness of oral misoprostol for outpatient cervical ripening and labor induction in prolonged pregnancies. We performed a randomized, double-blind, placebo-controlled study of women at 40 to 42 weeks' gestation with well-dated pregnancies, singleton gestations, Bishop scores less than 6, vertex presentations, and intact membranes. Subjects received either ...
Tan, Weiping
To examine the fetal responses to labor, 2 groups of chronically instrumented fetal sheep were studied. The groups were separated on the basis of femoral arterial pH being greater (Group II) or less (Group I) than 7.15 at delivery. Fetal and placental weights in Group I (n = 6) were ...
Worley Kevin C - - 2009
OBJECTIVE: To assess the prognosis for vaginal delivery in women with entirely normal pregnancies who began spontaneous labor at term. METHODS: Between January 1, 1988, and October 31, 2006, a total of 278,164 women delivered newborns at our hospital. A subset of women with uncomplicated pregnancies and spontaneous labor between ...
Aydin Cetin - - 2010
We investigated the relation between body mass index (BMI) value during labor and pregnancy outcomes in a group of Turkish population. The data on 9,112 singleton pregnancies were reviewed retrospectively. Patients were classified into three groups according to their BMI values: normal (BMI 20-25 kg/m(2), n = 5,685, 62.4%), overweight (BMI 20-25 kg/m(2), n = 2,214, ...
Schlembach Dietmar - - 2009
At present, there is no effective treatment for preterm labor. The most obvious reason for this anomaly is that there is no objective manner in which to evaluate the progression of pregnancy through steps leading to labor, either at term or preterm. Understanding the physiology of the uterus during term ...
Lai Man-Lung - - 2009
This article studied differences in postpartum fatigue and birth outcomes between women who pushed immediately and those who delayed pushing during the second stage of labor. Data were collected from primiparous women in their 38th to 42nd gestational week who did not receive epidural analgesia during labor and were free ...
Knafel Anna - - 2009
BACKGROUND: The expression of the HLA-G antigen from implantation toward term is crucial for the growth of a semiallogenic fetus as it shields this fetus from the maternal cytotoxic response. Little is known, however, about the potential role of soluble HLA-G isoforms during delivery. The initiation of labor is associated ...
Barbera A F - - 2009
OBJECTIVES: To assess the feasibility and reproducibility of measuring fetal head station and descent during labor using transperineal ultrasound (TPU) imaging, to compare the evaluation of fetal station through digital examinations with concurrent TPU assessments, and to assess its utility in distinguishing patients whose pregnancy will result in spontaneous vaginal ...
Kalache K D - - 2009
OBJECTIVES: To compare the angle of progression on transperineal ultrasound imaging between different modes of delivery in prolonged second stage of labor with occipitoanterior fetal position. METHODS: We prospectively evaluated 41 women at term (>or= 37 weeks) with failure to progress in the second stage of labor. Only cases with ...
Ghi T - - 2009
OBJECTIVE: To investigate the ability of intrapartum translabial sonography to diagnose fetal station in the second stage of labor. METHODS: Patients with uncomplicated pregnancies at term gestation with fetuses in vertex presentation in the second stage of labor underwent serial translabial sonography and digital examinations. In a sagittal section of ...
Peters Nina C J - - 2009
The objective of this review was to evaluate the efficacy and safety of carbetocin in the prevention of postpartum hemorrhage. All trials found during a targeted Medline and Cochrane database search were screened for eligibility. Outcome measures were estimated blood loss, uterine tone, amount and type of lochia, fundal position ...
Selin Lotta - - 2009
OBJECTIVE: To investigate the use of oxytocin for augmentation of labor and its relation to labor progress and delivery outcome. DESIGN AND SETTING: A retrospective observational study undertaken in a Swedish hospital during 2000-2001. SAMPLE: Singleton pregnancies at > or = 37 weeks of gestation with cephalic presentation and spontaneous ...
Santo Susana - - 2009
AIM: To evaluate the success rate and the safety profile of labor induction with a new misoprostol formulation - vaginal capsules of 25 microg of misoprostol. METHODS: Labor induction was performed in 250 singleton term pregnancies; 149 (59.6%) were nulliparous. Vaginal capsules of 25 microg of misoprostol were placed in ...
Girard Bénédicte - - 2009
OBJECTIVE: To show that early discontinuation of oxytocin will not increase the mean duration of the active labor phase in a clinically significant way. DESIGN: Controlled non-inferiority study. SETTING: Department of Obstetrics and Gynecology, University of Caen, Clemenceau Hospital, France. POPULATION: A total of 138 women with singleton pregnancy and ...
Hanson Lisa - - 2009
Substantial scientific evidence supports spontaneous maternal bearing down for its associated maternal and fetal physiologic benefits. Imposing specific directions for Valsalva pushing does not result in optimal outcomes but continues to be widely used, particularly when labor progress is less than optimal. However, there are numerous evidence-based approaches that can ...
Uszyński Mieczysław - - 2009
In intrauterine life, hemostasis is maintained by the same components as in extrauterine life (blood platelets, coagulation and fibrinolysis systems, involvement of the vascular wall); in the fetus, however, these components show significant differences of a quantitative/qualitative nature. In the present study, we surveyed the literature on the coagulation system ...
Carvajal Jorge A - - 2009
We aim to demonstrate that Brain Natriuretic Peptide (BNP) is synthesized and released from the fetal membranes and mediates pregnancy myometrial quiescence. Myometrium and fetal membranes (FM) were obtained from term and preterm pregnancies at the time of cesarean section, either in labor or not in labor. BNP was measured ...
Estrade Sonia - - 2009
OBJECTIVES: To estimate the risk of uterine rupture in women with a previous cesarean delivery before 32 weeks' gestation and a trial of labor. DESIGN: Retrospective case control study. Setting. Level III maternity center. METHODS: Among women with trial of labor, the case and control groups were women with previous ...
Witkop Catherine Takacs - - 2009
OBJECTIVE: We conducted a systematic review to estimate benefits and harms of the choice of timing of induction or elective cesarean delivery based on estimated fetal weight or gestational age in women with gestational diabetes mellitus (GDM). DATA SOURCES: An electronic literature search was performed using MEDLINE, EMBASE, the Cumulative ...
Costa Maria L - - 2009
OBJECTIVE: To assess the effects of audit and feedback on the practice of professionals in obstetrics. DESIGN: Before-after intervention study. SETTING: Obstetric unit of a university hospital in Brazil. METHODS: Before the intervention the prevalence rates of six evidence-based interventions were assessed. Seminars and workshops were administered, with the baseline ...
Houben Michiel L - - 2009
Different factors contribute to the onset of labor at term. In animal models onset of labor is characterized by an inflammatory response. The role of intrauterine inflammation, although implicated in preterm birth, is not yet established in human term labor. We hypothesized that intrauterine inflammation at term is associated with ...
Doherty Leo - - 2008
PURPOSE OF REVIEW: Prolonged (postterm) pregnancies are associated with both fetal and maternal complications. A variety of management practices can be utilized to mitigate the risk of these complications. RECENT FINDINGS: In addition to routine induction of labor at 41 weeks, a number of alternative management strategies show promise in ...
Ali Sakr Esa W - - 2009
A 28-year-old woman in active labor at 38 weeks of gestation requested epidural analgesia. She had previously received an intrathecal baclofen infusion pump to relieve the spasticity of cerebral palsy. She had right hemiparesis and cerebral palsy but was otherwise healthy. The patient had been seen one month before her ...
Choi Suk-Joo - - 2009
OBJECTIVE: To investigate the changes of matrix metalloproteinase-9 (MMP-9) in cervicovaginal fluid during pregnancy and its association with parturition. STUDY DESIGN: A prospective study was conducted on nulliparous women between 16 and 42 weeks with normal singleton pregnancies in the following categories: (1) preterm control (n=39); (2) term labor induction ...
Caughey Aaron B - - 2008
Postterm pregnancy is defined as one which has progressed to 42 0/7 weeks or beyond. The most common reason to be diagnosed with a postterm pregnancy is inaccurate pregnancy dating, but it is also associated with obesity, nulliparity, and a prior history of postterm pregnancy. The rate of postterm pregnancy ...
Meijer-Hoogeveen M - - 2008
OBJECTIVE: The aim of this study was to predict spontaneous onset of labor by serial transvaginal ultrasound measurement of cervical length (CL) in a homogeneous population of nulliparous women at term. METHODS: 162 nulliparous women with singleton fetuses in cephalic presentation were examined at weekly intervals from 36 weeks' gestation ...
Rao A - - 2008
OBJECTIVE: To examine the value of combining cervical length and maternal characteristics in a prolonged-pregnancy clinic in the prediction of the probability of firstly, spontaneous onset of labor within the subsequent 10 days and secondly, the need for Cesarean section. METHODS: This was a prospective study of women with singleton ...
Roche Maya - - 2008
Antitryptic, antichymotryptic and alpha 2- macroglobulin activities were measured in sera of normal nonpregnant and normal pregnant women and women with tubal ectopic pregnancy and molar pregnancies in the first 5 to 7 weeks of pregnancy calculated from the last menstrual period. While alpha 2-macroglobulin decreased in early normal pregnancy ...
Seong Hyo Suk HS Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, - - 2008
The amniotic cavity is normally sterile for bacteria. However, experimental evidence indicates that regular uterine contractions exert a suction-like effect whereby vaginal fluid ascends into the uterine cavity with contractions (demonstrated by sonohysterography contrast media). Consequently, this study was conducted to determine whether the presence and progress of labor are ...
Rattasumpun Prapa - - 2008
PURPOSE: To gain an understanding of the lived experience of pregnant women in Thailand who have preterm labor. STUDY DESIGN AND METHODS: Phenomenology using purposeful sampling with pregnant Thai women diagnosed with preterm labor and admitted to two government hospitals in Bangkok, Thailand. A semi-structured interview was conducted in the ...
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