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Early pregnancy loss

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https://www.readbyqxmd.com/read/28335749/women-s-perceptions-of-discussions-about-gestational-weight-gain-with-health-care-providers-during-pregnancy-and-postpartum-a-qualitative-study
#1
Hara Nikolopoulos, Maria Mayan, Jessica MacIsaac, Terri Miller, Rhonda C Bell
BACKGROUND: Maternal body weight is an indicator of the health of a mother and her developing fetus. Risks of poor maternal and fetal health issues increase when women gain too little or too much weight during pregnancy. A study of 600 women from Alberta, Canada, reported approximately 30, 46, 80, and 80% of underweight, healthy weight, overweight, and obese women, respectively, gained in excess of Health Canada gestational weight gain guidelines. Behavioural interventions during pregnancy have shown to be effective at supporting women achieve gestational weight gain (GWG) recommendations and return to their pre-pregnancy weight postpartum, yet few women are counseled about weight gain during pregnancy...
March 24, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28291720/congenital-cytomegalovirus-infection-in-pregnancy-and-the-neonate-consensus-recommendations-for-prevention-diagnosis-and-therapy
#2
REVIEW
William D Rawlinson, Suresh B Boppana, Karen B Fowler, David W Kimberlin, Tiziana Lazzarotto, Sophie Alain, Kate Daly, Sara Doutré, Laura Gibson, Michelle L Giles, Janelle Greenlee, Stuart T Hamilton, Gail J Harrison, Lisa Hui, Cheryl A Jones, Pamela Palasanthiran, Mark R Schleiss, Antonia W Shand, Wendy J van Zuylen
Congenital cytomegalovirus is the most frequent, yet under-recognised, infectious cause of newborn malformation in developed countries. Despite its clinical and public health importance, questions remain regarding the best diagnostic methods for identifying maternal and neonatal infection, and regarding optimal prevention and therapeutic strategies for infected mothers and neonates. The absence of guidelines impairs global efforts to decrease the effect of congenital cytomegalovirus. Data in the literature suggest that congenital cytomegalovirus infection remains a research priority, but data are yet to be translated into clinical practice...
March 10, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28291126/strategies-to-reduce-blood-product-utilization-in-obstetric-practice
#3
Holger Neb, Kai Zacharowski, Patrick Meybohm
PURPOSE OF REVIEW: Patient blood management (PBM) aims to improve patient outcome and safety by reducing the number of unnecessary RBC transfusions and vitalizing patient-specific anemia reserves. Although PBM is increasingly recognized as best clinical practice in elective surgery, implementation of PBM is restrained in the setting of obstetrics. This review summarizes recent findings to reduce blood product utilization in obstetric practice. RECENT FINDINGS: PBM-related evidence-based benefits should be urgently adopted in the field of obstetric medicine...
March 11, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28277124/letrozole-combined-with-low-dose-highly-purified-hmg-for-ovulation-induction-in-clomiphene-citrate-resistant-infertile-chinese-women-with-polycystic-ovary-syndrome-a-prospective-study
#4
Yue Zhao, Xiangyan Ruan, Alfred O Mueck
BACKGROUND AND AIM: There are still open questions about ovulation induction in clomiphene citrate-(CC)-resistant infertile women. Especially little is known about efficacy and safety of letrozole (LTZ) combined with low-dose highly purified human menopausal gonadotropin (Hp-HMG) in women with polycystic ovary syndrome (PCOS). METHODS: Prospective, single-arm single-center trial in 200 infertile PCOS patients refractory for at least three CC-treatment cycles. Women with hyperandrogenism took Diane-35 for at least 3 months...
February 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28263150/-rhabdomyolysis-caused-by-hyperemesis-gravidarum
#5
Lana Rashid Flachs Madsen, Marie Søgaard
Hyperemesis gravidarum (HG) is a condition of severe nausea and vomiting during pregnancy, accompanied by dehydration, electrolyte derangement and lack of nutrition. We describe a 26-year-old woman pregnant at 29 weeks of gestation, complaining about muscle pain and difficulties standing up after suffering from long-term HG followed by a weight loss of 35 kg. She had severe hypokalaemia and abnormally elevated muscle enzyme concentrations as a result of a massive catabolic process. We discuss severe HG as a rare cause of rhabdomyolysis and the importance of early aggressive resuscitation to avoid renal failure...
February 27, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28262239/lmwh-in-ivf-biomarkers-and-benefits
#6
Simon Fishel, Deborah J Baker, Ian A Greer
There is biological plausibility that coagulation activation underlies a proportion of in vitro fertilisation IVF failures and recurrent early clinical pregnancy loss (RPL). However, low-molecular-weight heparin (LMWH) use, based upon previous clinical outcome alone, is not effective in preventing RPL. RPL is heterogeneous in mechanism. Identifying those with an underlying thrombotic mechanism would allow stratification for LMWH treatment. Annexin A5 is an anticoagulant protein expressed on the trophoblast surface...
March 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28251103/correlation-of-enhanced-oxidative-stress-with-altered-thyroid-profile-probable-role-in-spontaneous-abortion
#7
Kaur Ramandeep, Gupta Kapil, Kaur Harkiran
BACKGROUND: Spontaneous abortion or miscarriage is defined as the loss of a clinically recognized pregnancy that occurs before 20 weeks of gestational age. Changes in thyroid function can impact greatly on reproductive function before, during, and after conception. Oxidative stress affects both implantation and early embryo development by modifying the key of transcription. Malondialdehyde (MDA) is a major breakdown product of split off from lipid peroxidation. Superoxide dismutase (SOD) is responsible for detoxification of superoxide anion and required for normal health and reproduction...
January 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28247551/characterization-of-chromosomal-abnormalities-in-pregnancy-losses-reveals-critical-genes-and-loci-for-human-early-development
#8
Yiyun Chen, Justin Bartanus, Desheng Liang, Hongmin Zhu, Amy M Breman, Janice L Smith, Hua Wang, Zhilin Ren, Ankita Patel, Pawel Stankiewicz, David S Cram, Sau Wai Cheung, Lingqian Wu, Fuli Yu
Detailed characterization of chromosomal abnormalities, a common cause for congenital abnormalities and pregnancy loss, is critical for elucidating genes for human fetal development. Here, 2186 product of conception (POC) samples were tested for copy number variations (CNVs) at two clinical diagnostic centers using whole genome sequencing and high-resolution chromosomal microarray analysis. We developed a new gene discovery approach to predict potential developmental genes and identified 275 candidate genes from CNVs detected from both datasets...
February 28, 2017: Human Mutation
https://www.readbyqxmd.com/read/28236849/should-metformin-be-included-in-fertility-treatment-of-pcos-patients
#9
Jigal Haas, Yaakov Bentov
Metformin, a drug developed for the treatment of patients with type II diabetes, has become commonly prescribed medication for PCOS patients. Initially, metformin was prescribed for patients with impaired glucose tolerance at the pre conception period, however more recently its use was expanded to many of the PCOS patients and for the whole duration of pregnancy. Several studies examining the effects of Metformin during pregnancy reported a lower pregnancy loss, reduced gestational diabetes and no increased risk for birth defects, however, several more recent studies also raised concerns about its safe use...
March 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28229160/pregnancy-outcome-of-first-trimester-exposure-to-the-vitamin-k-antagonist-phenprocoumon-depends-on-duration-of-treatment
#10
Eleanor Hüttel, Stephanie Padberg, Reinhard Meister, Evelin Beck, Christof Schaefer
The aim of this observational cohort study was to specify the risk of the vitamin K antagonist (VKA) phenprocoumon during first trimester of pregnancy, in particular to estimate the risk of birth defects and spontaneous fetal loss. Four hundred eight pregnancies with phenprocoumon exposure were compared to 1,642 pregnancies neither exposed to VKA nor to other major teratogens or fetotoxicants. There was no typical warfarin embryopathy in our exposed cohort. However, the overall rate of major birth defects was significantly increased (7...
February 23, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28224721/progesterone-driven-local-regulatory-t-cell-induction-does-not-prevent-fetal-loss-in-the-cba-j%C3%A3-dba-2j-abortion-prone-model
#11
Anne Schumacher, Dominique Dauven, Ana C Zenclussen
PROBLEM: Best known for its endocrine and immunologic properties, progesterone (P4) is a pivotal player for pregnancy success. However, the immunologic actions underlying P4 protection are not completely understood. Here, we investigated whether P4 application in a murine abortion-prone combination regulates regulatory T cells (Treg) and dendritic cells (DCs) and thereby affects pregnancy outcome. METHOD OF STUDY: Progesterone or vehicle was applied to DBA/2J-mated CBA/J abortion-prone animals in early pregnancy...
March 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28223455/acute-fetal-demise-with-first-trimester-maternal-infection-resulting-from-listeria-monocytogenes-in-a-nonhuman-primate-model
#12
Bryce Wolfe, Gregory J Wiepz, Michele Schotzko, Gennadiy I Bondarenko, Maureen Durning, Heather A Simmons, Andres Mejia, Nancy G Faith, Emmanuel Sampene, Marulasiddappa Suresh, Sophia Kathariou, Charles J Czuprynski, Thaddeus G Golos
Infection with Listeria monocytogenes during pregnancy is associated with miscarriage, preterm birth, and neonatal complications, including sepsis and meningitis. While the risk of these conditions is thought to be greatest during the third trimester of pregnancy, the determinants of fetoplacental susceptibility to infection, the contribution of gestational age, and the in vivo progression of disease at the maternal-fetal interface are poorly understood. We developed a nonhuman primate model of listeriosis to better understand antecedents of adverse pregnancy outcomes in early pregnancy...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28220257/impact-of-prior-breast-cancer-on-mode-of-delivery-and-pregnancy-associated-disorders-a-retrospective-analysis-of-subsequent-pregnancy-outcomes
#13
Louis Jacob, Matthias Kalder, Birgit Arabin, Karel Kostev
PURPOSE: The aim of this paper is to analyze the impact of prior breast cancer (BC) on mode of delivery and pregnancy-associated disorders. METHODS: A database from 262 German gynecological practices including 289,712 women between the ages of 18 and 45 with documented pregnancies between 2000 and 2014 was used to search for patients with a history of BC up to 10 years prior to pregnancy. A total of 165 patients with a history of BC were found and matched with 165 patients without a history of any cancer (1:1) by age, physician, obesity, and documented referral to a fertility center up to 12 months before the index pregnancy...
February 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28215691/fertility-of-lactating-dairy-cows-treated-with-gonadotropin-releasing-hormone-at-ai-5-days-after-ai-or-both-during-summer-heat-stress
#14
L G D Mendonça, F M Mantelo, J S Stevenson
Objectives of this experiment were to evaluate pregnancy per AI (P/AI) and progesterone (P4) concentrations after AI of lactating dairy cows under heat stress conditions treated with 100 μg gonadotropin-releasing hormone (GnRH) at AI, 5 d after AI, or both. Lactating Holstein cows from two herds were enrolled in the study during summer. Cows detected in estrus based on tail paint removal were allocated to four treatments: (1) control (CON = 722); (2) GnRH treatment at AI (G0 = 739); (3) GnRH treatment 5 d post-AI (G5 = 697); or (4) GnRH treatment at AI and 5 d post-AI (G0+G5 = 697)...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28214760/genotyping-analysis-of-protein-s-tokushima-k196e-and-the-involvement-of-protein-s-antigen-and-activity-in-patients-with-recurrent-pregnancy-loss
#15
Yasushi Matsukawa, Eriko Asano, Tomohide Tsuda, Hiroyuki Kuma, Tamao Kitaori, Kinue Katano, Yasuhiko Ozaki, Mayumi Sugiura-Ogasawara
OBJECTIVE: Preston et al. indicated that Protein S (PS) deficiency was associated with stillbirths but not miscarriages. The PS-Tokushima missense variant was reported to serve as a genetic risk factor for deep vein thrombosis in the Japanese population. A previous cross-sectional study showed no increase in the prevalence of PS-Tokushima in patients with recurrent early pregnancy loss or in patients with intra uterine fetal death and/or fetal growth restriction. There has been limited number of prospective studies examining the pregnancy outcome in patients with both a PS deficiency and recurrent pregnancy loss (RPL)...
February 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28183999/gain-of-function-%C3%AE-catenin-in-uterine-mesenchyme-leads-to-impaired-implantation-and-decidualization
#16
Amanda Lynn Patterson, Jamieson Pirochta, Stephanie Tufano, Jose Teixeira
Embryo implantation and endometrial decidualization are critical events that occur during early pregnancy in humans and mice, and perturbation in either can result in infertility. WNT signaling through the canonical β-catenin pathway plays a pivotal role in embryonic Müllerian duct development, postnatal uterine maturation, and establishment of pregnancy. Loss of β-catenin in the Müllerian duct mesenchyme (MDM)-derived stroma and myometrium results in impaired decidualization and infertility; whereas gain of function (GOF) results in formation of mesenchymal tumors and sub-fertility attributed to malformed oviducts...
February 9, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28183365/calm-merino-ewes-have-a-higher-ovulation-rate-and-more-multiple-pregnancies-than-nervous-ewes
#17
E van Lier, K W Hart, C Viñoles, B Paganoni, D Blache
In 1990, two selection lines of Merino sheep were established for low and high behavioural reactivity (calm and nervous temperament) at the University of Western Australia. Breeding records consistently showed that calm ewes weaned 10% to 19% more lambs than the nervous ewes. We hypothesise that calm ewes could have a higher ovulation rate than nervous ewes and/or calm ewes could have a lower rate of embryo mortality than nervous ewes. We tested these hypotheses by comparing the ovulation rate and the rate of embryo mortality between the calm and nervous lines before and after synchronisation and artificial insemination...
February 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28179267/obesity-and-pregnancy-mechanisms-of-short-term-and-long-term-adverse-consequences-for-mother-and-child
#18
REVIEW
Patrick M Catalano, Kartik Shankar
Obesity is the most common medical condition in women of reproductive age. Obesity during pregnancy has short term and long term adverse consequences for both mother and child. Obesity causes problems with infertility, and in early gestation it causes spontaneous pregnancy loss and congenital anomalies. Metabolically, obese women have increased insulin resistance in early pregnancy, which becomes manifest clinically in late gestation as glucose intolerance and fetal overgrowth. At term, the risk of cesarean delivery and wound complications is increased...
February 8, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28179198/cesarean-scar-ectopic-pregnancy-laparoscopic-resection-and-total-scar-dehiscence-repair-a-case-report
#19
Sara Mahgoub, Victor Gabriele, Emilie Faller, Bruno Langer, Arnaud Wattiez, Lise Lecointre, Cherif Akladios
STUDY OBJECTIVE: Illustrate laparoscopic technique for resection of cesarean scar ectopic pregnancy, associated with isthmocele repair. DESIGN: Case report SETTING: Tertiary referral centre in Strasbourg, France. The study was approved by the local IRB. BACKGROUND: Cesarean scar pregnancy is a rare form of ectopic pregnancy. The major risk of this type of pregnancy is the early uterine rupture with massive bleeding and maternal life-threatening...
February 4, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28176447/statins-during-pregnancy-a-cohort-study-using-the-general-practice-research-database-to-investigate-pregnancy-loss
#20
Anita McGrogan, Julia Snowball, Rachel A Charlton
PURPOSE: The aim of this study was to determine if there are any differences between the types of pregnancy loss experienced by women who have been prescribed a statin just before or early in pregnancy compared with those who have not. METHODS: A retrospective cohort study using the General Practice Research Database was carried out. Women aged 10-49 years at pregnancy start who received a prescription for a statin in the 3 months before and/or during the first trimester of pregnancy were matched to up to 10 pregnancies on age at start date, diabetes and hypertension status before pregnancy...
February 8, 2017: Pharmacoepidemiology and Drug Safety
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