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Delivering at 39 weeks gestation

Satoko Kinomoto-Kondo, Nagayoshi Umehara, Shiori Sato, Kohei Ogawa, Takeo Fujiwara, Naoko Arata, Haruhiko Sago
PURPOSE: To study the effects of gestational transient thyrotoxicosis (GTT) on pregnancy outcomes. METHODS: This case-control study retrospectively analyzed 7976 women with singleton pregnancies whose thyroid function was measured before 16 weeks of gestation and who delivered at ≥22 weeks of pregnancy. GTT was defined as hyperthyroidism (free thyroxine [FT4] level: ≥95th percentile) in the early pregnancy, which normalized in mid-pregnancy without thyroid-stimulating hormone receptor antibodies...
October 20, 2016: Archives of Gynecology and Obstetrics
Gabriele Saccone, Vincenzo Berghella
OBJECTIVE:  To evaluate the effectiveness of antenatal corticosteroids given at ≥34 weeks' gestation. DESIGN:  Systematic review with meta-analysis. DATA SOURCES:  Electronic databases were searched from their inception to February 2016. ELIGIBILITY CRITERIA FOR STUDY SELECTION:  Randomized clinical trials comparing antenatal corticosteroids with placebo or no treatment in women with a singleton pregnancy at ≥34 weeks' gestation...
October 12, 2016: BMJ: British Medical Journal
Blanka Vasak, Jessica J Verhagen, Steven V Koenen, Maria P H Koster, P A O M de Reu, Arie Franx, Jan G Nijhuis, Gouke J Bonsel, Gerard H A Visser
BACKGROUND: Twin pregnancies are at increased risk for perinatal morbidity and mortality, due to many factors including a high incidence of preterm delivery. Compared to singleton pregnancies overall perinatal mortality risk is higher in twin pregnancies, however for the preterm period perinatal mortality has been reported to be lower in twins. OBJECTIVE: To compare perinatal mortality in relation to gestational age at birth between singleton and twin pregnancies, taken into account socioeconomic status, fetal sex and parity...
October 8, 2016: American Journal of Obstetrics and Gynecology
Jennifer K Durst, Akila Subramaniam, Ying Tang, Jeff M Szychowski, Sukhkamal B Campbell, Joseph R Biggio, Lorie M Harper
OBJECTIVE: To evaluate perinatal outcomes in nulliparous women undergoing induction of labor for gestational hypertension at term. STUDY DESIGN: Retrospective cohort study of nulliparous women with gestational hypertension undergoing induction of labor ≥ 37 weeks. Mode of delivery and perinatal outcomes were compared for women who delivered at 37(°-6/7), 38(°-6/7), and ≥ 39(°/7) weeks gestation. RESULTS: The cohort included 320 women: 67 (21%) at 37(°-6/7), 76 (24%) at 38(°-6/7), and 177 (55%) at ≥ 39(°/7)...
October 11, 2016: Journal of Maternal-fetal & Neonatal Medicine
Georgy Joy Eralil
OBJECTIVE: Aim of this audit is to analyse indication and proportion of babies delivered by elective caesarean section at less than 39(+0) weeks of gestation exposed to antenatal corticosteroids performed in a Premier Hospital, Hywel Dda Health University. The second aim was to learn how an audit can be done and used for improving clinical practice. METHODS: Present study involved all patients who underwent elective caesarean delivery before 39 weeks completed period of gestation in August and September 2014...
October 2016: Journal of Obstetrics and Gynaecology of India
Rinat Gabbay-Benziv, Amir Aviram, Eran Hadar, Rony Chen, Ron Bardin, Arnon Wiznitzer, Yariv Yogev
OBJECTIVES: To evaluate pregnancy outcome following false diagnosis of fetal growth restriction (FGR). METHODS: Retrospective analysis of all singleton term deliveries of appropriately grown fetuses (10-90th weight percentiles) in a single medical center (2007-2014). Elective cesarean-section, diabetes, and hypertension were excluded. Cohort was stratified based on third trimester sonographic estimated-fetal-weight (≥32 weeks). Women with false diagnosis FGR (<10th percentile) were compared with the rest (control)...
September 21, 2016: Journal of Maternal-fetal & Neonatal Medicine
Jovana Lekovich, Joshua Stewart, Sarah Anderson, Erin Niemasik, Nigel Pereira, Stephen Chasen
OBJECTIVE: Müllerian anomalies are associated with increased risk of miscarriage, intrauterine growth restriction (IUGR) and preterm birth. While a commonly implicated cause is restricted expansion of endometrial cavity, alternatively it could be due to abnormal placentation. We sought to examine clinical and histopathologic factors associated with preterm delivery in women with Müllerian anomalies. STUDY DESIGN: One hundred and eleven singleton pregnancies in 85 women were analyzed retrospectively...
August 17, 2016: Journal of Perinatal Medicine
Junhong Leng, John Hay, Gongshu Liu, Jing Zhang, Jing Wang, Huihuan Liu, Xilin Yang, Jian Liu
OBJECTIVE: To examine whether maternal low blood glucose (BG), low body mass index (BMI) and small stature have a joint effect on the risk of delivery of a small-for-gestational age (SGA) infant. DESIGN: Women from a perinatal cohort were followed up from receiving perinatal healthcare to giving birth. SETTING: Beichen District, Tianjin, China between June 2011 and October 2012. PARTICIPANTS: 1572 women aged 19-39 years with valid values of stature, BMI and BG level at gestational diabetes mellitus screening (gestational weeks 24-28), glucose challenge test <7...
September 15, 2016: BMJ Open
Elizabeth Allocco, Marjorie Melker, Florencia Rojas-Miguez, Caitlin Bradley, Kristen A Hahn, Elisha M Wachman
BACKGROUND: Twenty percent to 40% of infants exposed to in utero opioid were delivered preterm. There is currently no neonatal abstinence syndrome (NAS) scoring tool known to accurately evaluate preterm opioid-exposed infants. This can lead to difficulties in titrating pharmacotherapy in this population. PURPOSE: To describe NAS symptoms in preterm opioid-exposed infants in comparison with matched full-term controls. METHODS: This was a retrospective cohort study from a single tertiary care center of methadone-exposed infants born between 2006 and 2010...
October 2016: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
Teresa N Sparks, Brian L Shaffer, Jessica Page, Aaron B Caughey
BACKGROUND: Prior studies have evaluated the overall risk of stillbirth in pregnancies with fetal gastroschisis. However, the gestational age at which mortality is minimized, balancing the risk of stillbirth against neonatal mortality, remains unclear. OBJECTIVE: We sought to evaluate the gestational age at which prenatal and postnatal mortality risk is minimized for fetuses with gastroschisis. STUDY DESIGN: This was a retrospective cohort study of singleton pregnancies delivered between 24 0/7 and 39 6/7 weeks, using 2005 through 2006 US national linked birth and death certificate data...
September 3, 2016: American Journal of Obstetrics and Gynecology
Chih-Ping Chen, Shing-Jyh Chang, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chien-Wen Yang, Chen-Wen Pan, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis of pseudomosaicism for trisomy 5 and a review of the literature of mosaic trisomy 5 at amniocentesis. CASE REPORT: A 39-year-old woman underwent amniocentesis at 17 weeks of gestation, which revealed a karyotype of 47,XY,+5[1]/46,XY[20]. The single colony with trisomy 5 had five metaphase cells, and all five cells had the karyotype of 47,XY,+5. Repeat amniocentesis performed at 20 weeks of gestation revealed a karyotype of 46,XY in 27/27 colonies...
August 2016: Taiwanese Journal of Obstetrics & Gynecology
Himanshu Popat, Kristy P Robledo, Lucille Sebastian, Nicholas Evans, Andrew Gill, Martin Kluckow, Sanjay Sinhal, Koert de Waal, William Tarnow-Mordi, David Osborn
OBJECTIVE: To determine whether delayed cord clamping improves systemic blood flow compared with immediate cord clamping in very preterm infants in the first 24 hours. STUDY DESIGN: Women delivering at <30 weeks' gestation at 5 tertiary centers were randomized to receive immediate cord clamping (<10 seconds) or delayed cord clamping (≥60 seconds). Echocardiography and cardiorespiratory data were collected at 3, 9, and 24 hours after birth. The primary outcome was mean lowest superior vena cava (SVC) flow...
August 26, 2016: Journal of Pediatrics
L He, M Chen, G L He, X X Liu
OBJECTIVE: To investigate the incidence and pregnant outcome on vaginal birth after cesarean (VBAC). METHODS: From January 2005 to December 2015, clinical data of 507 cases with VBAC in West China Second Hospital were studied retrospectively. There were 370 cases of VBAC from January 2013 to December 2015 as study group (VBAC group), in contrast, 740 cases of elective repeat cesarean section (ERCS group) and 740 primiparas of vaginal delivery without history of cesarean section as control groups, the pregnancy outcome were analyzed between the study group and control groups respectively...
August 25, 2016: Zhonghua Fu Chan Ke za Zhi
S Revathy Natesan
OBJECTIVE: Our purpose was to evaluate the relationship between umbilical cord arterial blood lactate levels with acid base balance to the mode of delivery and short-term neonatal outcome in a large multiracial population delivering at term in University of Malaya Medical Centre. MATERIALS AND METHODS: Two thousand two hundred and twelve patients of more than 37 weeks of gestation with singleton, liveborn infants with no major anomalies delivering between January 2013 to December 2013 were analysed...
June 2016: Medical Journal of Malaysia
Igor Hudić, Julia Szekeres-Bartho, Babill Stray-Pedersen, Zlatan Fatušić, Beata Polgar, Vesna Ećim-Zlojutro
The aim of the study was to compare urine and serum concentrations of PIBF at 24-28 gestational weeks in women with preterm birth, with those of women who delivered at term and to evaluate the impact of PIBF on the outcome of pregnancy. Case-control study was performed in period from 1.6.2010-31.7.2013. Biological samples (urine and serum) were collected from 126 pregnant women. All biological samples were obtained at 24-28 gestation weeks. We measured PIBF concentration and compared women who delivered preterm and those who delivered at term...
September 2016: Journal of Reproductive Immunology
Sean K Seeho, Charles S Algert, Christine L Roberts, Jane B Ford
BACKGROUND: Early-onset preeclampsia is associated with adverse maternal and perinatal outcomes. For women who consider another pregnancy after one complicated by early-onset preeclampsia, the likelihood of recurrence and the subsequent pregnancy outcome for themselves and their babies are pertinent considerations. OBJECTIVES: To determine the subsequent pregnancy rate after a nulliparous pregnancy complicated by early-onset preeclampsia, and among those who have a subsequent pregnancy, the risk of recurrence by gestational week and adverse pregnancy outcomes...
July 22, 2016: American Journal of Obstetrics and Gynecology
Louis Marcellin, Marie Victoire Senat, Alexandra Benachi, Sophie Regis, Dominique Cabrol, François Goffinet
OBJECTIVE: To evaluate whether routine measurement of cervical length (CL) by transvaginal ultrasound (TVU) in twin pregnancies can enable identification of women who will give birth before 34 weeks and require antenatal corticosteroids (ACSs), and whether it can limit their administration to women who will give birth later. STUDY DESIGN: Retrospective comparative study in two tertiary referral centers in France. Women with twin gestations followed in two tertiary university hospital maternity units and who delivered from January 1, 2007 to December 31, 2009 were included...
July 21, 2016: Journal of Perinatal Medicine
Sarah J Stock, Leanne Bricker, Jane E Norman, Helen M West
BACKGROUND: Immediate delivery of the preterm fetus with suspected compromise may decrease the risk of damage due to intrauterine hypoxia. However, it may also increase the risks of prematurity. OBJECTIVES: To assess the effects of immediate versus deferred delivery of preterm babies with suspected fetal compromise on neonatal, maternal and long-term outcomes. SEARCH METHODS: We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (30 April 2016) and reference lists of retrieved studies...
2016: Cochrane Database of Systematic Reviews
Abdul Razak, Karthik N Nagesh, Gayathri Karthik, Mrinal S Pillai, Pankaj Kumar Mohanty
OBJECTIVE: To study the incidence of elective cesarean deliveries at term and to correlate their neonatal outcomes at different gestational ages (37(0/7)-40(6/7)). METHODS: Outcomes including the rate of NICU admissions, usage of ventilator/CPAP, and other morbidities were analysed and compared with the gestational age during the study period from January 2012 to April 2013. RESULTS: The incidences of elective deliveries at 37, 38, 39, and 40 weeks of gestation were 10...
August 2016: Journal of Obstetrics and Gynaecology of India
Hector Mendez-Figueroa, Van Thi Thanh Truong, Claudia Pedroza, Amir M Khan, Suneet P Chauhan
BACKGROUND: Most small for gestational age (SGA; birth weight < 10% for gestational age) occur at term, in uncomplicated pregnancies, and are not identified during prenatal visits as having fetal growth restriction. Hence, they do not benefit from antepartum surveillance and timeddelivery. There is dismissive and disquieting opinion that SGA among uncomplicated pregnancies is not associated with increased morbidities and, therefore, does not warrant improved detection. Our hypothesis was that among uncomplicated pregnancies at term, SGA have significantly higher morbidity and mortality than appropriate for gestational age (AGA; birthweight 10-89% for GA)...
June 29, 2016: American Journal of Obstetrics and Gynecology
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