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https://www.readbyqxmd.com/read/29844441/association-of-assisted-reproductive-technology-and-multiple-pregnancies-with-the-risks-of-birth-defects-and-stillbirth-a-retrospective-cohort-study
#1
Min Yang, Xiao-Bo Fan, Jiang-Nan Wu, Ji-Mei Wang
Assisted reproductive technology (ART) has been widely used among women with infertility. However, the association of ART with birth defects and stillbirth remains controversial and has rarely been reported in China. A retrospective cohort study of 112,043 pregnant women and 114,522 newborns from 2006 to 2016 was performed. Compared to spontaneously conceived infants, ART-conceived infants had a higher likelihood of any birth defect, with an adjusted odds ratio (OR) of 2.10 (95% confidence interval, 1.63-2...
May 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29807552/impact-of-longevity-on-greenhouse-gas-emissions-and-profitability-of-individual-dairy-cows-analysed-with-different-system-boundaries
#2
F Grandl, M Furger, M Kreuzer, M Zehetmeier
Dairy production systems are often criticized as being major emitters of greenhouse gases (GHG). In this context, the extension of the length of the productive life of dairy cows is gaining interest as a potential GHG mitigation option. In the present study, we investigated cow and system GHG emission intensity and profitability based on data from 30 dairy cows of different productive lifetime fed either no or limited amounts of concentrate. Detailed information concerning productivity, feeding and individual enteric methane emissions of the individuals was available from a controlled experiment and herd book databases...
May 29, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29782696/routine-antenatal-ultrasound-in-low-and-middle-income-countries-first-look-a-cluster-randomized-trial
#3
Robert L Goldenberg, Robert O Nathan, David Swanson, Sarah Saleem, Waseem Mirza, Fabian Esamai, David Muyodi, Ana L Garces, Lester Figueroa, Elwyn Chomba, Melody Chiwala, Musaku Mwenechanya, Antoinette Tshefu, Adrien Lokangako, Victor Lokomba Bolamba, Janet L Moore, Holly Franklin, Jonathan Swanson, Edward A Liechty, Carl L Bose, Nancy F Krebs, K Michael Hambidge, Waldemar A Carlo, Nancy Kanaiza, Farnaz Naqvi, Irma Sayury Pineda, Walter López-Gomez, Dorothy Hamsumonde, Margo S Harrison, Marion Koso-Thomas, Menachem Miodovnik, Dennis D Wallace, Elizabeth M McClure
OBJECTIVE: Ultrasound is widely regarded as an important adjunct to antenatal care (ANC) to guide practice and reduce perinatal mortality. We assessed the impact of ANC ultrasound use at health centers in resource-limited countries. DESIGN: Cluster randomized trial. SETTING: Clusters within five countries (Democratic Republic of Congo, Guatemala, Kenya, Pakistan and Zambia). METHODS: Clusters were randomized to standard ANC or standard care plus two ultrasounds and referral for complications...
May 21, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29693547/the-role-of-clinical-factors-in-the-association-of-gestational-diabetes-amongst-women-aged-15-49-years-residing-in-yazd-iran
#4
Mohammad Hasan Lotfi, Hossein Fallahzadeh, Masoud Rahmanian, Hossein Lashkardoost, Andishe Hamedi
BACKGROUND: Gestational diabetes mellitus (GDM) has occurred in Fourteen percent of all pregnancies in the world. Epidemiological evidences about risk factors of GDM may be different from region to region and are unknown, exactly. This study examines the role of clinical factors in the association of gestational diabetes in Yazd, Iran. METHODS: This study was carried out on 168 women with gestational diabetes and 168 women as controls after matching for age and place of residence...
April 16, 2018: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29660172/predictive-accuracy-of-the-southwest-thames-obstetric-research-collaborative-stork-chorionicity-specific-twin-growth-charts-for-stillbirth-a-validation-study
#5
Erkan Kalafat, Mercedes Sebghati, Basky Thilaganathan, Asma Khalil
OBJECTIVE: Twin pregnancy is associated with 2-3 fold increased risk of stillbirth compared to singletons. Despite the fact that the growth pattern has been shown to differ in twins compared to singletons, it is controversial whether twin-specific growth charts should be routinely used. A major goal of prenatal ultrasound is to identify fetuses suffering from growth restriction at risk of stillbirth. The main aim of this study was to compare the performance of chorionicity-specific twin charts with singleton charts, both customized and non-customized, in the antenatal prediction of small-for-gestational age (SGA) stillborn and liveborn fetuses...
April 16, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29623679/pregnancy-outcomes-after-exposure-to-certolizumab-pegol-updated-results-from-a-pharmacovigilance-safety-database
#6
Megan E B Clowse, Angela E Scheuerle, Christina Chambers, Anita Afzali, Alexa B Kimball, John J Cush, Maureen Cooney, Laura Shaughnessy, Mark Vanderkelen, Frauke Förger
BACKGROUND: Anti-tumor necrosis factor medications (anti-TNFs) are effective in controlling chronic inflammatory diseases, but information about their use and safety in pregnancy is limited. Consequently, anti-TNFs are often discontinued early in gestation. Certolizumab pegol (CZP), a PEGylated, Fc-free anti-TNF approved for treatment of rheumatic diseases and/or Crohn's disease, has minimal to no active placental transfer. This project provides information on pregnancy outcomes in women receiving CZP, especially those with early pregnancy exposure...
April 5, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29495143/optimal-timing-of-delivery-based-on-the-risk-of-stillbirth-and-infant-death-associated-with-each-additional-week-of-expectant-management-in-multiple-pregnancies-a-national-cohort-study-of-koreans
#7
Hyun Sun Ko, Sae Kyung Choi, Jeong Ha Wie, In Yang Park, Yong Gyu Park, Jong Chul Shin
BACKGROUND: The purpose of this study was to compare the fetal/infant mortality risk associated with each additional week of expectant management to that associated with immediate delivery in women with multiple gestations. METHODS: This was a retrospective national cohort study of 94,170 multiple deliveries, 92,619 (98.4%) twin and 1,352 (1.44%) triplet pregnancies, between 32 0/7 and 42 6/7 weeks of gestation recorded in the Korean vital statistics database. We investigated the risks of stillbirth and infant death after birth in Korea according to the week of gestation in twin and triplet pregnancies...
March 5, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29458905/obstetric-outcomes-of-twin-pregnancies-at-advanced-maternal-age-a-retrospective-study
#8
Caixia Zhu, Malie Wang, Gang Niu, Juan Yang, Zilian Wang
OBJECTIVE: To evaluate obstetric outcomes in twin pregnancies of advanced maternal age (≥35 years). MATERIALS AND METHODS: A retrospective study involved 470 twin pregnancies in a single center from Sep. 1, 2012 to Mar. 31, 2015. Clinical characteristics and obstetric outcomes were recorded and compared among twin pregnancies who were classified as follows: age 20-29, 30-34, 35-39 and ≥40 years. RESULTS: The incidence of gestational diabetes (age 20-29 years 15...
February 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29437032/computerised-interpretation-of-the-fetal-heart-rate-during-labour-a-randomised-controlled-trial-infant
#9
Peter Brocklehurst, David Field, Keith Greene, Edmund Juszczak, Sara Kenyon, Louise Linsell, Chris Mabey, Mary Newburn, Rachel Plachcinski, Maria Quigley, Philip Steer, Liz Schroeder, Oliver Rivero-Arias
BACKGROUND: Continuous electronic fetal monitoring (EFM) in labour is widely used and computerised interpretation has the potential to increase its utility. OBJECTIVES: This trial aimed to find out whether or not the addition of decision support software to assist in the interpretation of the cardiotocograph (CTG) reduced the number of poor neonatal outcomes, and whether or not it was cost-effective. DESIGN: Two-arm individually randomised controlled trial...
February 2018: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/29377644/the-active-malformations-surveillance-program-boston-in-1972-2012-methodology-and-demographic-characteristics
#10
Lewis B Holmes, Hanah Nasri, Marie-Noel Westgate, M Hassan Toufaily, Angela E Lin
BACKGROUND: Malformations surveillance programs have been carried out in consecutive populations of newborn infants at single hospitals, as well as in several hospitals in defined populations. A surveillance program begins with the review of the findings recorded by the examining pediatrician in each infant's medical record. The results of diagnostic tests, consultations, and imaging studies are obtained, also, from that infant's medical record. Some malformations surveillance programs identify additional malformations over several months, as the infants have hospitalizations and additional diagnostic testing...
January 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29377643/causes-of-congenital-malformations
#11
M Hassan Toufaily, Marie-Noel Westgate, Angela E Lin, Lewis B Holmes
BACKGROUND: Many different causes of malformations have been established. The surveillance of a consecutive population of births, including stillbirths and elective terminations of pregnancy because of fetal anomalies, can identify each infant with malformations and determine the frequency of the apparent etiologies. This report is a sequel to the first such analysis in the first 10 years of this Active Malformations Surveillance Program (Nelson and Holmes, ). METHODS: The presence of malformations was determined among 289,365 births over 41 years (1972-2012) at the Brigham and Women's Hospital in Boston...
January 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29349587/the-danish-medical-birth-register
#12
REVIEW
Mette Bliddal, Anne Broe, Anton Pottegård, Jørn Olsen, Jens Langhoff-Roos
The Danish Medical Birth Register was established in 1973. It is a key component of the Danish health information system. The register enables monitoring of the health of pregnant women and their offspring, it provides data for quality assessment of the perinatal care in Denmark, and it is used extensively for research. The register underwent major changes in construction and content in 1997, and new variables have been added during the last 20 years. The aim was to provide an updated description of the register focusing on structure, content, and coverage since 1997...
January 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29324601/potentially-preventable-stillbirth-in-a-diverse-u-s-cohort
#13
Jessica M Page, Vanessa Thorsten, Uma M Reddy, Donald J Dudley, Carol J Rowland Hogue, George R Saade, Halit Pinar, Corette B Parker, Deborah Conway, Barbara J Stoll, Donald Coustan, Radek Bukowski, Michael W Varner, Robert L Goldenberg, Karen Gibbins, Robert M Silver
OBJECTIVE: To estimate the proportion of potentially preventable stillbirths in the United States. METHODS: We conducted a secondary analysis of 512 stillbirths with complete evaluation enrolled in the Stillbirth Collaborative Research Network from 2006 to 2008. The Stillbirth Collaborative Research Network was a multisite, geographically, racially, and ethnically diverse, population-based case-control study of stillbirth in the United States. Cases of stillbirth underwent standard evaluation that included maternal interview, medical record abstraction, biospecimen collection, postmortem examination, placental pathology, and clinically recommended evaluation...
February 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29175171/early-warning-system-hypertension-thresholds-to-predict-adverse-outcomes-in-pre-eclampsia-a-prospective-cohort-study
#14
Hannah L Nathan, Paul T Seed, Natasha L Hezelgrave, Annemarie De Greeff, Elodie Lawley, John Anthony, David R Hall, Wilhelm Steyn, Lucy C Chappell, Andrew H Shennan
OBJECTIVES: To evaluate the association between blood pressure (BP) measurements and adverse outcomes in women with pre-eclampsia. STUDY DESIGN: A prospective cohort study of women with pre-eclampsia admitted to three South African tertiary facilities. BP was measured using the CRADLE Vital Signs Alert (VSA), incorporated with a traffic light early warning system; green: systolic BP <140 mmHg and diastolic BP <90 mmHg, yellow: systolic BP 140-159 and/or diastolic BP 90-109 mmHg (but neither is above the upper threshold), red: systolic BP ≥160 mmHg and/or diastolic BP ≥110 mmHg...
November 21, 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29152887/association-between-maternal-sleep-practices-and-late-stillbirth-findings-from-a-stillbirth-case-control-study
#15
Aep Heazell, M Li, J Budd, Jmd Thompson, T Stacey, R S Cronin, B Martin, D Roberts, E A Mitchell, Lme McCowan
OBJECTIVE: To report maternal sleep practices in women who experienced a stillbirth compared with controls with ongoing live pregnancies at similar gestation. DESIGN: Prospective case-control study. SETTING: Forty-one maternity units in the United Kingdom. POPULATION: Women who had a stillbirth after ≥ 28 weeks' gestation (n = 291) and women with an ongoing pregnancy at the time of interview (n = 733). METHODS: Data were collected using an interviewer-administered questionnaire that included questions on maternal sleep practices before pregnancy, in the four weeks prior to, and on the night before the interview/stillbirth...
January 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29146097/descriptive-study-of-current-therapeutic-practices-clinical-reproductive-findings-and-incidence-of-pregnancy-loss-in-intensively-managed-thoroughbred-mares
#16
B V Rose, M Firth, B Morris, J M Roach, D C Wathes, K L P Verheyen, A M de Mestre
Therapeutic practices in equine reproductive medicine have dramatically evolved over the last 20 years but current usage is not described. The aims of this study were to provide a description of medication use and clinical findings of reproductive examinations alongside measures of reproductive efficiency in thoroughbreds. A prospective cohort study was conducted in the 2013 and 2014 breeding seasons. Mare and stallion details, information on veterinary interventions and findings of reproductive ultrasound scans were collected using questionnaires and entered into a custom-designed Microsoft Access database...
January 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29140454/gestational-age-specific-perinatal-mortality-rates-for-assisted-reproductive-technology-art-and-other-births
#17
Abrar A Chughtai, Alex Y Wang, Lisa Hilder, Zhuoyang Li, Kei Lui, Cindy Farquhar, Elizabeth A Sullivan
STUDY QUESTION: Is perinatal mortality rate higher among births born following assisted reproductive technology (ART) compared to non-ART births? SUMMARY ANSWER: Overall perinatal mortality rates in ART births was higher compared to non-ART births, but gestational age-specific perinatal mortality rate of ART births was lower for very preterm and moderate to late preterm births. WHAT IS KNOWN ALREADY: Births born following ART are reported to have higher risk of adverse perinatal outcomes compared to non-ART births...
February 1, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29108135/regimens-of-ultrasound-surveillance-for-twin-pregnancies-for-improving-outcomes
#18
REVIEW
Jane G Woolcock, Rosalie M Grivell, Jodie M Dodd
BACKGROUND: Increased ultrasound surveillance of twin pregnancies has become accepted practice due to the higher risk of complications. There is no current consensus however as to the method and frequency of ultrasound monitoring that constitutes optimal care. OBJECTIVES: To systematically review the effects of different types and frequency of ultrasound surveillance for women with a twin pregnancy on neonatal, fetal and maternal outcomes. SEARCH METHODS: We searched Cochrane Pregnancy and Childbirth's Trials Register, ClinicalTrials...
November 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28948397/neonatal-outcomes-and-congenital-malformations-in-children-born-after-human-menopausal-gonadotropin-and-medroxyprogesterone-acetate-treatment-cycles
#19
Jie Zhang, Xiaoyan Mao, Yun Wang, Qiuju Chen, Xuefeng Lu, Qingqing Hong, Yanping Kuang
PURPOSE: To investigate neonatal outcomes and congenital malformations in children born after in vitro fertilization (IVF) and vitrified embryo transfer cycles using human menopausal gonadotrophin and medroxyprogesterone acetate (hMG + MPA) treatment. METHODS: We performed a retrospective cohort study including 4596 live born babies. During January 2014-June 2016, children born after either hMG + MPA treatment, gonadotropin releasing hormone agonist short protocol, or mild ovarian stimulation were included...
December 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28742216/the-fetuses-at-risk-approach-survival-analysis-from-a-fetal-perspective
#20
REVIEW
K S Joseph, Michael S Kramer
Several phenomena in contemporary perinatology create challenges for analyzing pregnancy outcomes. These include recent increases in iatrogenic delivery at late preterm and early term gestation, which are incongruent with the belief that stillbirth and neonatal death risks decrease exponentially with advancing gestational age. Perinatal epidemiologists have also puzzled over the paradox of intersecting birthweight-specific and gestational age-specific perinatal mortality curves for decades. For example, neonatal mortality rates among preterm infants of women who smoke are substantially lower than neonatal mortality rates among preterm infants of non-smoking women, whereas the reverse pattern occurs at term gestation...
April 2018: Acta Obstetricia et Gynecologica Scandinavica
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