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preterm, preeclampsia

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
Linling Zhu, Yu Zhang, Yifeng Liu, Runjv Zhang, Yiqing Wu, Yun Huang, Feng Liu, Meigen Li, Saijun Sun, Lanfeng Xing, Yimin Zhu, Yiyi Chen, Li Xu, Liangbi Zhou, Hefeng Huang, Dan Zhang
This study was carried out to explore associations between assisted reproductive technology (ART) and maternal and neonatal outcomes compared with similar outcomes following spontaneously conceived births. We conducted a retrospective cohort study of pregnancies conceived by ART (N = 2641) during 2006-2014 compared to naturally conceived pregnancies (N = 5282) after matching for maternal age and birth year. Pregnancy complications, perinatal complications and neonatal outcomes of enrolled subjects were investigated and analysed by multivariate logistic regression...
October 20, 2016: Scientific Reports
Kathryn J Sharma, Tania F Esakoff, Alyson Guillet, Richard M Burwick, Aaron B Caughey
OBJECTIVE: To determine whether adverse outcomes were more common in late preterm pregnancies complicated by preeclampsia and growth restriction compared to those affected by preeclampsia alone. METHODS: This was a retrospective cohort study of 8,927 singleton pregnancies with preeclampsia. Pregnancies with small for gestational age (SGA) neonates (birthweight <10(th) percentile) were compared to those appropriate for gestational age (AGA) neonates. Maternal outcomes included cesarean delivery (CD) rate, CD for fetal heart rate (FHR) abnormalities, abruption, postpartum hemorrhage (PPH), maternal transfusion, acute renal failure, and peripartum cardiomyopathy...
October 19, 2016: Journal of Maternal-fetal & Neonatal Medicine
Rebecca L Wilson, Jessica A Grieger, Tina Bianco-Miotto, Claire T Roberts
Adequate zinc stores in the body are extremely important during periods of accelerated growth. However, zinc deficiency is common in developing countries and low maternal circulating zinc concentrations have previously been associated with pregnancy complications. We reviewed current literature assessing circulating zinc and dietary zinc intake during pregnancy and the associations with preeclampsia (PE); spontaneous preterm birth (sPTB); low birthweight (LBW); and gestational diabetes (GDM). Searches of MEDLINE; CINAHL and Scopus databases identified 639 articles and 64 studies were reviewed...
October 15, 2016: Nutrients
Chun-Che Huang, Yu-Tung Huang, Ming-Ping Wu
OBJECTIVE: Limited information is available on health issues during pregnancy and after childbirth among nurses, especially on a nationwide level. This study thus aimed to compare antenatal and perinatal complications between nurses and nonmedical working women in Taiwan. MATERIALS AND METHODS: This nationwide population-based study was conducted using data from the Taiwan National Health Insurance Research Database. A total of 44,166 nurses and 442,107 nonmedical working women with full-time employment, aged 20-50 years, who gave birth to singletons were identified between 2007 and 2011...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Marja Kaijomaa, Veli-Matti Ulander, Esa Hämäläinen, Henrik Alfthan, Helene Markkanen, Seppo Heinonen, Vedran Stefanovic
OBJECTIVE: To analyze the risk of adverse pregnancy outcome in three subgroups with extremely low maternal PAPP-A, i.e. < 0.3 multiples of median (MoM) at the first trimester screening. METHOD: A cohort of 961 pregnancies with PAPP-A levels < 0.3 MoM at the first trimester combined screening was followed up during the study period of January 2009-December 2012. The incidences of adverse outcomes were determined in three subgroups with PAPP-A levels < 0...
October 17, 2016: Prenatal Diagnosis
Odaro Huckstep, Adam J Lewandowski, Paul Leeson
Human clinical studies as well as laboratory animal studies demonstrate that offspring of pregnancies affected by common complications, such as preeclampsia and preterm birth, display developmental phenotypes that relate distinctly to the pregnancy disorder. Several studies have now found microvascular differences in offspring of hypertensive pregnancies, and there is interest in whether these may underlie epidemiologic associations between gestational hypertension and a higher risk of hypertension and stroke in the offspring...
October 15, 2016: American Journal of Epidemiology
Val Catanzarite, Larry Cousins, Sean Daneshmand, Wade Schwendemann, Holly Casele, Joanna Adamczak, Tevy Tith, Ami Patel
OBJECTIVE: To describe outcomes for a large cohort of women with prenatally diagnosed vasa previa, determine the percentage in patients without risk factors, and compare delivery timing and indications for singletons and twins. METHODS: This was a retrospective case series of women with prenatally diagnosed vasa previa delivered at a single tertiary center over 12 years. Potential participants were identified using hospital records and perinatal databases. Patients were included if vasa previa was confirmed at delivery and by pathologic examination...
October 6, 2016: Obstetrics and Gynecology
E B Carter, M G Tuuli, A O Odibo, G A Macones, A G Cahill
OBJECTIVE: To investigate the association between the number of prenatal visits (PNVs) and pregnancy outcomes in women with gestational diabetes (GDM) and Type 2 diabetes mellitus (DM). STUDY DESIGN: A 4-year prospective cohort study of women with GDM and DM and was conducted. Patients ⩾75th percentile for number of PNVs were compared with those ⩽25th percentile. The primary outcomes were large for gestational age (LGA) with birth weight >90% and neonatal intensive care unit (NICU) admission for >24 h...
October 13, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Florentine F Thurik, Marije Lamain-de Ruiter, Ahmad Javadi, Anneke Kwee, Heleen Woortmeijer, Godelieve C M L Page-Christiaens, Arie Franx, C Ellen van der Schoot, Wendy Koster
OBJECTIVE: To study associations of first trimester cell-free fetal DNA levels (in this paper referred to as cell-free placental DNA (cfpDNA) levels) and preeclampsia (PE), pregnancy-induced hypertension (PIH), gestational diabetes (GDM) and spontaneous preterm birth (sPB). METHOD: A nested case-control study was conducted in first trimester samples (gestational age (GA) 8(+0) -13(+6) weeks). A total of 226 cases and 301 controls were included. CfpDNA levels were quantified in male-bearing pregnancies using real-time DYS14-PCRs on DNA isolated from maternal serum...
October 12, 2016: Prenatal Diagnosis
Kenna Degner, Ronald R Magness, Dinesh M Shah
The uterine vasculature undergoes marked changes during pregnancy in order to provide the necessary increase in blood flow to support growth and nutrition of the uterus, placenta, and developing fetus. Pregnancy-associated uterine vascular transformations are orchestrated by a complex array of endocrine and cellular mechanisms to bring about structural modifications at the maternal-fetal interface, which collectively lead to development of the uteroplacental circulation. Understanding intrinsic uterine vascular remodeling in pregnancy is essential for understanding the physiologic and pathophysiologic regulation of maternal uterine blood flow...
October 12, 2016: Reproductive Sciences
Eun Hui Bae, Jong Woon Kim, Hong Sang Choi, Seong Kwon Ma, Soo Wan Kim
Background/Aims: Proteinuria is associated with hypertension and preeclampsia in pregnancy. However, the impact of random urine proteinuria on fetal and maternal outcomes has not been established. We investigated the influence of random urine proteinuria on the clinical outcomes of pregnancy. Methods: From January 2008 to December 2010, 2,822 patients were retrospectively studied. A total of 536 pregnant women with proteinuria in random urine and matched controls without proteinuria via propensity score matching were analyzed...
October 13, 2016: Korean Journal of Internal Medicine
Serena Pinzauti, Chiara Ferrata, Silvia Vannuccini, Giulia Di Rienzo, Filiberto M Severi, Felice Petraglia, Mariarosaria Di Tommaso
OBJECTIVES: Our aim was to investigate whether advanced maternal age (≥40years) still impairs the outcome of twin pregnancies after assisted reproductive techniques (ART). STUDY DESIGN: The retrospective observational study evaluated 430 nulliparous dichorionic diamniotic twin pregnancies conceived with ART. The population was divided into women <40 years old (Group A, n=265) and ≥40 years old (Group B, n=165). RESULTS: Gestational diabetes mellitus and gestational hypertension/preeclampsia were significantly more frequent in nulliparous twin pregnancies after ART ≥40years compared to <40years (p=0...
September 21, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Luís Guedes-Martins
Chronic hypertension is frequently encountered during pregnancy and needs to be distinguished from other hypertensive complications of pregnancy, such as preeclampsia and gestational hypertension. The prevalence of this pregnancy complication is attributable to the increased prevalence of obesity and maternal age at childbearing. Women with chronic arterial hypertension are at increased risk for several pregnancy complications, including superimposed preeclampsia, caesarean delivery, preterm delivery <37 weeks gestation, birth weight <2500 g, neonatal unit admission, and perinatal death...
October 9, 2016: Advances in Experimental Medicine and Biology
Rebecca J Baer, Juan Yang, Christina D Chambers, Kelli K Ryckman, Audrey F Saftlas, Vincenzo Berghella, Chris Dunkel Schetter, Gary M Shaw, David K Stevenson, Laura L Jelliffe-Pawlowski
There is well-established literature indicating change in partner as a risk for preeclampsia, yet the research on the risk of preterm birth after a change in partners has been sparse and inconsistent. Using a population of California live born singletons, we aimed to determine the risk of preterm birth after a change in partner between the first and second pregnancies. The risk of preterm and early term delivery in the second pregnancy was calculated for mothers who did or did not change partners between births with the referent group as women who delivered both pregnancies at term and did not change partners...
October 8, 2016: Journal of Perinatal Medicine
Clare L Whitehead, Susan P Walker, Stephen Tong
Circulating nucleic acids have revolutionized prenatal diagnosis in the last decade, allowing non-invasive screening for single gene or chromosomal defects using a single sample of maternal blood. In addition to deoxyribonucleic acids (DNA), ribonucleic acids (RNA) from the placenta are released into the maternal blood from early in pregnancy and may reflect changes in gene expression occurring within the placenta. Measuring circulating RNA may therefore provide insights into the placental transcriptome without the need for invasive testing...
October 6, 2016: Prenatal Diagnosis
Sarah H Koning, Klaas Hoogenberg, Kirsten A Scheuneman, Mick G Baas, Fleurisca J Korteweg, Krystyna M Sollie, Bertine J Schering, Aren J van Loon, Bruce H R Wolffenbuttel, Paul P van den Berg, Helen L Lutgers
BACKGROUND: To evaluate the neonatal and obstetric outcomes of pregnancies complicated by gestational diabetes mellitus (GDM). Screening and treatment - diet-only versus additional insulin therapy - were based on the 2010 national Dutch guidelines. METHODS: Retrospective study of the electronic medical files of 820 singleton GDM pregnancies treated between January 2011 and September 2014 in a university and non-university hospital. Pregnancy outcomes were compared between regular care treatment regimens -diet-only versus additional insulin therapy- and pregnancy outcomes of the Northern region of the Netherlands served as a reference population...
September 29, 2016: BMC Endocrine Disorders
Mathieu Nadeau-Vallee, Dima Obari, Julia Palacios, Marie-Eve Brien, Cyntia Duval, Sylvain Chemtob, Sylvie Girard
Inflammation is central to successful reproduction. In the last decade, important advances have been made in regards to endogenous, and therefore non-infectious, initiators of inflammation which can act through the same receptors as pathogens. These molecules are referred to as damage-associated molecular patterns (DAMPs) and their involvement in reproduction has only recently begun to be unraveled. Even though inflammation is necessary for successful reproduction, untimely activation of inflammatory processes can have devastating impact on pregnancy outcomes...
September 27, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
Dan Shan, Yayi Hu, Peiyuan Qiu, Bechu Shelley Mathew, Yun Chen, Si Li, Yuan Hu, Lijun Lin, Zhi Wang, Luping Li
The aim of the present work was to determine maternal and fetal outcomes of intrahepatic cholestasis of pregnancy (ICP) in twin pregnancies. All twin pregnancies delivered above 28 gestational weeks in West China Second University Hospital from January 2013 to May 2015 were included. Data on maternal demographics and obstetric complications together with fetal outcomes were collected. The risk of adverse maternal and fetal outcomes were determined in relation to ICP by crude odds ratios (OR) and adjusted ORs (aOR) with 95% confidence intervals (CI)...
September 28, 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
Adolf E Schindler
Over time, it became evident that with the use of micronized progesterone and dydrogesterone prevention or treatment of pregnancy disorders such as threatened miscarriage, recurrent (habitual) miscarriage, preterm labor or preeclampsia appears to be possible. The results so far obtained will be delineated and concepts of prevention or treatment are suggested with the aim to further explore these pregnancy disorders either by prevention or treatment concepts to obtain not only benefits to the mother and the fetus, but furthermore this results in benefits for lifetime for the individual, for the family and last but not least for society...
August 1, 2016: Hormone Molecular Biology and Clinical Investigation
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