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Pregnancy loss

Damien Seth Hunter, Susan J Hazel, Karen L Kind, Hong Liu, Danila Marini, Lynne C Giles, Miles J De Blasio, Julie A Owens, Julia B Pitcher, Kathryn L Gatford
Poor perinatal growth in humans results in asymmetrical grey matter loss in fetuses and infants and increased functional and behavioural asymmetry, but specific contributions of pre- and postnatal growth are unclear. We therefore compared strength and direction of lateralization in obstacle avoidance and maze exit preference tasks in offspring of placentally restricted (PR: 10M, 13F) and control (CON: 23M, 17F) sheep pregnancies at 18 and 40 weeks of age, and examined gross brain structure of the prefrontal cortex at 52 weeks of age (PR: 14M, 18F; CON: 23M, 25F)...
October 19, 2016: Laterality
A M Kurmanova, G M Kurmanova, V N Lokshin
The viral hepatitis abnormalities in the female reproductive system are due to hepatic and extrahepatic damage. On the background of HBV- and HCV-infections, menstrual disorders prevail in the structure of reproductive system pathology; disorders of reproductive function in the form of pregnancy loss and infertility are detected in each second case. Depression of T-cell immunity in the immune status is observed in the patients with intact reproductive function. When miscarriage was in past medical history then divergent changes subpopulations of lymphocytes are found...
October 2016: Gynecological Endocrinology
N Aleksandrova, E Shubina, A Ekimov, T Kodyleva, I Mukosey, N Makarova, E Kulakova, L Levkov, D Trofimov, G Sukhikh
Chromosomal aneuploidies are known for being the main cause of abnormal development of embryos with normal morphology, their implantation failure and early reproductive losses in IVF treatments. Preimplantation genetic screening (PGS) allows selecting embryos with normal chromosomal content and increases IVF treatment efficiency due to higher implantation rates and less frequent early pregnancy losses. New technologies used for PGS allow making genome-wide analysis of the presence of all chromosomes in embryos...
October 2016: Gynecological Endocrinology
Jessica H Knight, Penelope P Howards, Jessica B Spencer, Katina C Tsagaris, Sam S Lim
OBJECTIVE: Systemic lupus erythematosus (SLE) disproportionately affects women and often develops during their reproductive years. Research suggests that some women who receive cyclophosphamide as treatment for SLE experience earlier decline in menstrual function, but reproductive health among women with SLE who have not taken this drug is less well understood. This study aims to better understand the relation between SLE and reproduction by assessing early secondary amenorrhoea and pregnancy in women treated with and without cyclophosphamide from a population-based cohort with large numbers of African-Americans...
2016: Lupus Science & Medicine
Tonghua Wu, Biao Yin, Yuanchang Zhu, Guangui Li, Lijun Ye, Chunmei Chen, Yong Zeng, Desheng Liang
BACKGROUND: Spontaneous abortion (SA) is the most common complication of pregnancy, and chromosome aberrations are the principal cause of the first trimester abortuses in natural conception (NC) The increasing use of assisted reproductive technology (ART) has raised concern about chromosome abnormalities in ART-initiated pregnancies. Up to date, the literature on the risk of aneuploidy in failed pregnancies among various ART factors remain limited and inconclusive. This study aimed to explore the genetic etiology of pregnancy loss conceived from varying ART procedures...
2016: Molecular Cytogenetics
Rebecca S Usadi, Kathryn S Merriam
The incidence of subclinical hypothyroidism (SCH) in pregnancy was classically thought to be low; however, with new definition of normal TSH range in pregnancy, there has been an increase in the percentage of women who meet classification for SCH. The diagnosis of SCH is important not only for monitoring for maternal conversion to overt hypothyroidism, but also for identifying obstetric and neonatal outcomes related to SCH. Although there have been proven associations between maternal overt hypothyroidism and adverse obstetric and neonatal outcomes, there has been conflicting data on the correlation between SCH and these outcomes...
October 17, 2016: Seminars in Reproductive Medicine
Lucilla Poston, Rishi Caleyachetty, Sven Cnattingius, Camila Corvalán, Ricardo Uauy, Sharron Herring, Matthew W Gillman
Obesity in women of reproductive age is increasing in prevelance worldwide. Obesity reduces fertility and increases time taken to conceive, and obesity-related comorbidities (such as type 2 diabetes and chronic hypertension) heighten the risk of adverse outcomes for mother and child if the woman becomes pregnant. Pregnant women who are obese are more likely to have early pregnancy loss, and have increased risk of congenital fetal malformations, delivery of large for gestational age infants, shoulder dystocia, spontaneous and medically indicated premature birth, and stillbirth...
October 10, 2016: Lancet Diabetes & Endocrinology
Michael Feichtinger, Elisabeth Wallner, Beda Hartmann, Angelika Reiner, Thomas Philipp
OBJECTIVE: To assess the cytogenetic and embryoscopic characteristics of primary and secondary recurrent pregnancy loss. DESIGN: Clinical prospective descriptive study. SETTING: Tertiary care center. PATIENT(S): Nine hundred and eighty-four women affected by first-trimester pregnancy loss; 145 patients with recurrent pregnancy loss (RPL) and 839 patients with nonrecurrent pregnancy loss as controls. INTERVENTION(S): Transcervical embryoscopic examination of the embryo before uterine evacuation, and cytogenetic analysis of the chorionic villi by standard G-banding cytogenetic techniques...
October 12, 2016: Fertility and Sterility
Mirjana Bećarević, Duško Mirković, Svetlana Ignjatović
Although numerous studies investigated the association between homocysteine (Hcy), tumor necrosis factor alpha (TNF-α), C-reactive protein (CRP) and apolipoproteins (apos) with thrombosis and/or recurrent pregnancy losses, studies that analyzed the abovementioned parameters and multiple positivity of antiphospholipid antibodies (aPL Abs) in patients with primary antiphospholipid syndrome (PAPS) are lacking. Therefore, the aim of this study was to analyze the presence of various combinations of the abovementioned parameters and their associations with clinical and/or serological features of PAPS...
October 14, 2016: Clinical Rheumatology
C L Roberts, C S Algert, J B Ford, T A Nippita, J M Morris
STUDY QUESTION: After an initial midtrimester loss, is the interval to the next conception associated with the risk of a recurrent loss? SUMMARY ANSWER: Among women who had a pregnancy loss at 14-19 weeks gestation, conception at least 3 months after this initial loss was associated with a reduced risk of a recurrent loss. WHAT IS KNOWN ALREADY: A short interpregnancy interval (IPI) has been thought to increase risk but recent studies of pregnancy after a loss have found no effect; however, these studies have been based almost entirely on an initial first trimester (<14 weeks) loss...
October 14, 2016: Human Reproduction
Katharine OʼConnell White, Deborah L Nucatola, Carolyn Westhoff
OBJECTIVE: To compare the effectiveness of 1.0 mg intra-fetal or intra-amniotic digoxin to achieve fetal asystole before second-trimester surgical pregnancy termination. METHODS: In a randomized trial, women received 1.0 mg transabdominal intra-fetal or intra-amniotic digoxin on the day of laminaria placement before dilation and evacuation between 20 and 24 weeks of gestation. The primary outcome was incidence of fetal asystole, documented immediately before dilation and evacuation...
October 6, 2016: Obstetrics and Gynecology
Romana Furrer, Katharina Winter, Leonhard Schäffer, Roland Zimmermann, Tilo Burkhardt, Christian Haslinger
OBJECTIVE: To evaluate postpartum blood loss in women with treated intrahepatic cholestasis of pregnancy. METHODS: In a retrospective case-control study, 15,083 deliveries including 348 women with intrahepatic cholestasis of pregnancy (2.3%) were analyzed from 2004 to 2014. To adjust for differences in baseline characteristics, a propensity analysis was performed and women in the control group were matched to the women in the intrahepatic cholestasis of pregnancy group in a 5:1 ratio...
October 6, 2016: Obstetrics and Gynecology
Tom Konikoff, Tehila Avraham, Ella Ophir, Jacob Bornstein
BACKGROUND: Hyperemesis gravidarum (HG) is characterized by severe intractable nausea and vomiting in pregnancy leading to electrolyte imbalance, ketonuria, and weight loss. The cause is unknown. This study sought to investigate the prevalence and characteristics of HG in the Western Galilee in two ethnic populations and to estimate its economic burden. METHODS: Data on ethnicity, age, gestational age, number of pregnancies, and length of hospitalization were collected from the medical files of all women with HG admitted to the Galilee Medical Center in 2010-2013...
2016: Israel Journal of Health Policy Research
Kasra Khalaj, Rayana Leal Luna, Maria Eduarda Rocha de França, Wilma Helena de Oliveira, Christina Alves Peixoto, Chandrakant Tayade
Recurrent pregnancy loss is a major reproductive pathology affecting 1-5% of pregnant women worldwide. A distinct feature of this reproductive pathology is involvement of key inflammatory cytokines and transcription factors such as tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6) and nuclear factor kappa beta (NF-κB). Special classes of RNA-binding proteins regulate the transcripts of many of these important cytokines and regulatory factors via binding to the 3' untranslated regions (UTRs) and/or poly(A) tail and destabilizing/stabilizing the transcript...
October 9, 2016: Oncotarget
Ran Svirsky, Ron Maymon, Yaakov Melcer, Esther Klog, Howard Cuckle
OBJECTIVE: To investigate maternal serum inhibin as a marker of pre-eclampsia in twins. METHODS: 143 twins and 109 unaffected singleton pregnancies were recruited in the first trimester from the same institution. Blood samples were stored at recruitment and in the second trimester, retrospectively tested for inhibin and values expressed in multiples of the gestation-specific median (MoMs) in singletons, adjusted for maternal weight, as appropriate. RESULTS: The median inhibin level in unaffected twins was 2...
October 12, 2016: Prenatal Diagnosis
Manuel Luis Wolfson, Julieta Aisemberg, Fernando Correa, Ana María Franchi
BACKGROUND AND PURPOSE: Maternal infections with Gram-negative bacteria are associated with miscarriage and are one of the most common complications during pregnancy. Previous studies from our group have shown that lipopolysaccharide (LPS)-activated infiltrating peripheral blood mononuclear cells (PBMC) into decidual tissue play an important role on the establishment of a local inflammatory process that result in embryo cytotoxicity and early embryo resorption. Moreover, we have also shown that an increased endocannabinoid tone mediates LPS-induced deleterious effects during early pregnancy loss...
October 12, 2016: Journal of Cellular Physiology
Luke E Grzeskowiak, Brian Smith, Anil Roy, Gustaaf A Dekker, Vicki L Clifton
There exists a paucity of data for socially disadvantaged populations describing patterns and predictors of asthma control status and exacerbations during pregnancy, and their relationship to adverse perinatal outcomes. Asthmatic women (n=189) were followed prospectively during pregnancy, with visits at 12, 20, 28 and 36 weeks gestation. Data on loss of control, recurrent uncontrolled asthma and moderate/severe exacerbations were collected at each visit and their relationship to perinatal outcomes examined following stratification for fetal sex...
January 2016: ERJ Open Research
Daniele Mandrioli, Fiorella Belpoggi, Ellen K Silbergeld, Melissa J Perry
Aneuploidy, defined as structural and numerical aberrations of chromosomes, continues to draw attention as an informative effect biomarker for carcinogens and male reproductive toxicants. It has been well documented that aneuploidy is a hallmark of cancer. Aneuploidies in oocytes and spermatozoa contribute to infertility, pregnancy loss and a number of congenital abnormalities, and sperm aneuploidy is associated with testicular cancer. It is striking that several carcinogens induce aneuploidy in somatic cells, and also adversely affect the chromosome compliment of germ cells...
October 12, 2016: Environmental Health: a Global Access Science Source
Clélia M Bianchi, Jean-François Huneau, Gaëlle Le Goff, Eric O Verger, François Mariotti, Patricia Gurviez
BACKGROUND: From a life course perspective, pregnancy leads to a rise in nutrition awareness and an increase in information flow in favour of adopting healthier eating behaviours. This qualitative study was designed to better understand the determinants of eating behaviours in French pregnant women by focusing on their concerns, attitudes and beliefs and their nutrition-related information seeking practices. METHODS: Seven focus groups were conducted, involving a total of 40 French pregnant women...
October 12, 2016: BMC Pregnancy and Childbirth
Teresa A Burns
Endocrine diseases, such as equine metabolic syndrome and pituitary pars intermedia dysfunction, are common in domesticated horse populations, and the frequency with which these diseases are encountered and managed by equine veterinary practitioners is expected to increase as the population ages. As clinicians learn more about the effects of these diseases on equine reproductive physiology and efficiency (including effects on reproductive seasonality, ovulation efficiency, implantation, early pregnancy loss, duration of pregnancy, and lactation), strategies and guidelines for improving fertility in affected animals continue to evolve...
October 8, 2016: Veterinary Clinics of North America. Equine Practice
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