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American Journal of Obstetrics and Gynecology

Haruo Usuda, Shimpei Watanabe, Masatoshi Saito, Shinichi Sato, Gabrielle C Musk, Erin Fee, Sean Carter, Yusaku Kumagai, Tsukasa Takahashi, Shinichi Kawamura, Takushi Hanita, Shigeo Kure, Nobuo Yaegashi, John P Newnham, Matthew W Kemp
BACKGROUND: Ex-vivo uterine environment (EVE) therapy is an experimental life support platform designed to reduce the risk of morbidity and mortality for extremely preterm infants born at the border of viability (21-24 weeks gestation). To spare the functionally immature lung, this platform performs gas exchange via a membranous oxygenator connected to the umbilical vessels, and the fetus is submerged in a protective bath of artificial amniotic fluid. We and others have demonstrated the feasibility of extended survival with EVE therapy in late preterm fetuses; however, there is presently no evidence to show that the use of such a platform can support extremely preterm fetuses, the eventual translational target for therapy of this nature...
March 7, 2019: American Journal of Obstetrics and Gynecology
Vrunda B Desai, Jason D Wright, Cary P Gross, Haiqun Lin, Francis P Boscoe, Lindsey M Hutchison, Peter E Schwartz, Xiao Xu
BACKGROUND: Occult uterine cancer at the time of benign hysterectomy poses unique challenges in patient care. There is large variability and uncertainty in estimated risk of occult uterine cancer in the literature and prior research often did not differentiate/include all subtypes. OBJECTIVES: To thoroughly examine the prevalence of occult uterine cancer in a large population-based sample of women undergoing hysterectomy for presumed benign indications and to identify associated risk factors...
March 7, 2019: American Journal of Obstetrics and Gynecology
Kimberly Mangla, M Camille Hoffman, Caroline Trumpff, Sinclaire O'Grady, Catherine Monk
Maternal mortality continues to be a public health priority in national and international communities. Maternal death rates secondary to medical illnesses such as cardiovascular disease, preeclampsia, and postpartum hemorrhage are well documented. The rates of maternal death secondary to self-harm, including suicide and overdose, have been omitted from published rates of maternal mortality, despite growing attention to the prevalence of perinatal mood disorders, estimated at up to 15% of pregnant and postpartum women in the United States...
March 5, 2019: American Journal of Obstetrics and Gynecology
Jenani S Jayakumaran, Ushma Thomas, Meike Schuster
No abstract text is available yet for this article.
March 5, 2019: American Journal of Obstetrics and Gynecology
Sally L Collins, Bahrin Alemdar, Heleen J van Beekhuizen, Charline Bertholdt, Thorsten Braun, Pavel Calda, Pierre Delorme, Johannes J Duvekot, Lene Gronbeck, Gilles Kayem, Jens Langhoff-Roos, Louis Marcellin, Pasquale Martinelli, Olivier Morel, Mina Mhallem, Maddalena Morlando, Lone N Noergaard, Andreas Nonnenmacher, Petra Pateisky, Philippe Petit, Marcus J Rijken, Mariola Ropacka-Lesiak, Dietmar Schlembach, Loic Sentilhes, Vedran Stefanovic, Gita Strindfors, Boris Tutschek, Siri Vangen, Alexander Weichert, Katharina Weizsäcker, Frederic Chantraine
The worldwide incidence of abnormally invasive placenta is rapidly rising following the trend of increasing caesarean delivery. It is a heterogeneous condition and has a high maternal morbidity and mortality rate, presenting specific intra-partum challenges. Its rarity makes developing individual expertise difficult for the majority of clinicians. The International Society for Abnormally Invasive Placenta aims to improve clinicians understanding and skills in managing this difficult condition. By pooling knowledge, experience and expertise gained within a variety of different healthcare systems the society seeks to improve the outcomes for women with abnormally invasive placenta globally...
March 5, 2019: American Journal of Obstetrics and Gynecology
Sucharita Roy, Tatiana Nanovskaya, Svetlana Patrikeeva, Edward Cochran, Viraj Parge, Jamey Guess, John Schaeck, Amit Choudhury, Mahmoud Ahmed, Leona E Ling
BACKGROUND: The transfer of pathogenic immunoglobulin G antibodies from mother to fetus is a critical step in the pathophysiology of alloimmune and autoimmune diseases of the fetus and neonate. Immunoglobulin G transfer across the human placenta to the fetus is mediated by the neonatal Fc receptor, and blockade of the neonatal Fc receptor may provide a therapeutic strategy to prevent or minimize pathological events associated with immune-mediated diseases of pregnancy. M281 is a fully human, aglycosylated monoclonal immunoglobulin G1 anti-neonatal Fc receptor antibody that has been shown to block the neonatal Fc receptor with high affinity in nonclinical studies and in a phase 1 study in healthy volunteers...
March 5, 2019: American Journal of Obstetrics and Gynecology
Ann Mchugh, Afif El Khuffash, Neidin Bussmann, Anne Doherty, Orla Franklin, Fionnuala Breathnach
BACKGROUND: Supplemental oxygen is administered to pregnant women in many different clinical scenarios in obstetric practice. Despite the accepted uses for maternal hyperoxygenation, the impact of hyperoxia on maternal hemodynamic indices has not been evaluated. As a result, there is a paucity of data in the literature in relation to the physiological changes to the maternal circulation in response to supplemental oxygen. OBJECTIVE: The hemodynamic effects of oxygen therapy are under-recognized and the impact of hyperoxygenation (HO) on maternal hemodynamics is currently unknown...
March 5, 2019: American Journal of Obstetrics and Gynecology
Mary E D'Alton, Alexander M Friedman, Peter S Bernstein, Haywood L Brown, William M Callaghan, Steven L Clark, William A Grobman, Sarah J Kilpatrick, Daniel F O'Keeffe, Douglas M Montgomery, Sindhu K Srinivas, George D Wendel, Katharine D Wenstrom, Michael R Foley
The Centers for Disease Control and Prevention have demonstrated continuous increased risk for maternal mortality and severe morbidity with racial disparities among non-Hispanic black women an important contributing factor. More than 50,000 women experienced severe maternal morbidity in 2014 with a mortality rate of 18.0 per 100,000, higher than many other developed countries. In 2012 the first "Putting the 'M' back in Maternal Fetal Medicine" session was held at the Society for Maternal Fetal Medicine's (SMFM) Annual Meeting...
March 5, 2019: American Journal of Obstetrics and Gynecology
Jennifer Gibbs, Shirley Mei, Katherine Economos, Yi-Chun Lee, Margaux J Kanis
BACKGROUND: Primary gynecological neuroendocrine tumors (gNET) are uncommon malignant neoplasms associated with poor prognosis. Clinically these tumors present a significant challenge due to the lack of standardized management guidelines. OBJECTIVE: The objective of this study is to evaluate the clinicopathologic features, incidence and survival trends in gNET. STUDY DESIGN: Surveillance, Epidemiology and End Results (SEER) cancer registry was queried for women diagnosed with primary gNET from 1987-2012...
March 5, 2019: American Journal of Obstetrics and Gynecology
Sheila A Connery, Jerome Yankowitz, Linda Odibo, Olivia Raitano, Dusan Nikolic-Dorschel, Judette Marie Louis
BACKGROUND: Surgical site infections are associated with significant healthcare cost and burden. Silver impregnated dressings have been associated with a decrease in surgical site infections in select populations but it is unknown if the benefit can be observed after cesarean deliveries. OBJECTIVE: We sought to evaluate the impact of silver nylon dressings in reducing superficial surgical site infections after cesarean delivery. STUDY DESIGN: A blinded randomized clinical trial of women undergoing scheduled or unscheduled cesarean delivery at a single site was conducted...
March 5, 2019: American Journal of Obstetrics and Gynecology
Nuria Balaguer, Inmaculada Moreno, María Herrero, Marta González, Felipe Vilella, Carlos Simón
BACKGROUND: Maternal-embryonic crosstalk between the endometrium and the preimplantation embryo is required for normal pregnancy. Our previous results demonstrated that maternal microRNAs secreted into the endometrial fluid, and specifically miR-30d, act as transcriptomic regulator of the pre-implantation embryo by the maternal intrauterine environment. OBJECTIVE: To investigate the reproductive and fetal effects of murine miR-30d deficiency at the maternal-embryonic interface according to the origin of its maternal or embryonic default...
February 28, 2019: American Journal of Obstetrics and Gynecology
Anadeijda J E M C Landman, Saskia T Immink-Duijker, Eduard J H Mulder, Maria P H Koster, Serena Xodo, Gerard H A Visser, Floris Groenendaal, Anneke Kwee
BACKGROUND: Although the evidence regarding the benefit of using ST waveform analysis of the fetal electrocardiogram is conflicting, ST waveform analysis is considered as adjunct to identify fetuses at risk for asphyxia in our center. Most randomized controlled trials and meta-analyses have not shown a significant decrease in umbilical metabolic acidosis while some observational studies have shown a gradual decrease of this outcome over a longer period of time. Observational studies can give more insight into the effect of implementation of the ST technology in daily clinical practice...
February 28, 2019: American Journal of Obstetrics and Gynecology
Carme Merced, Maria Goya, Laia Pratcorona, Carlota Rodó, Elisa Llurba, Teresa Higueras, Luis Cabero, Elena Carreras
BACKGROUND: No intervention has proved effective to date in reducing the spontaneous preterm birth rate in twin pregnancies following an episode of threatened preterm labour and with a short cervix remaining. This study was designed to ascertain whether cervical pessaries are useful in preventing spontaneous preterm birth in women with twin pregnancies and a short cervix remaining after a threatened preterm labour episode. METHODS: This open randomised controlled trial was conducted in 132 pregnant women who had not delivered 48h after a threatened preterm labour episode and had a short cervix remaining (≤20mm between 240 and 296 weeks and ≤10mm between 300 and 336 weeks)...
February 28, 2019: American Journal of Obstetrics and Gynecology
William A Grobman, Aaron B Caughey
BACKGROUND: Elective induction of labor at 39 weeks among low-risk nulliparous women has reduced the chance of cesarean and other adverse maternal and perinatal outcomes in a randomized trial, although its clinical effectiveness in non-research settings remains uncertain. OBJECTIVE: To perform a systematic review of observational studies that compared elective induction of labor at 39 weeks among nulliparous women to expectant management, and to use meta-analytic techniques to estimate the association of elective induction with cesarean delivery, as well as other maternal and perinatal outcomes...
February 25, 2019: American Journal of Obstetrics and Gynecology
Elizabeth A de Vilbiss, Sunni L Mumford, Lindsey A Sjaarda, Matthew T Connell, Keewan Kim, James L Mills, Robert M Silver, Enrique F Schisterman
BACKGROUND: Most studies of folate metabolism and reproduction have been conducted after pregnancy and in folate-deficient populations. However, measurement of maternal folate status pre-conceptionally may be most relevant to certain folate-linked early processes preceding a successful pregnancy, and there has been a major increase in folate concentrations in women of childbearing age in high resource settings. OBJECTIVE: Examine associations between pre-conceptional biomarkers of maternal folate status (folate and homocysteine) and reproductive outcomes in folate-replete women...
February 23, 2019: American Journal of Obstetrics and Gynecology
Moshe Hod, Anil Kapur, H David Mcintyre
No abstract text is available yet for this article.
February 23, 2019: American Journal of Obstetrics and Gynecology
Rigopoulos Panagiotis, Dardalas Ioannis, Pourzitaki Chryssa
No abstract text is available yet for this article.
February 23, 2019: American Journal of Obstetrics and Gynecology
Loïc Sentilhes, Hugo Madar, Guillaume Ducarme, Jean-François Hamel, Aurélien Mattuizzi, Matthieu Hanf
BACKGROUND: To assess both severe maternal and neonatal mortality and morbidity after attempted operative vaginal deliveries by residents under supervision and by attending obstetricians. STUDY DESIGN: Secondary analysis of a five-year prospective study with cross-sectional analysis including 2192 women with live singleton term fetuses in vertex presentation who underwent an attempted operative vaginal delivery in a tertiary care university hospital. Obstetricians who attempted or performed an operative vaginal delivery were classified into two groups according to their level of experience: attending obstetricians (who had 5 years or more of experience) and obstetric residents (who had less than 5 years of experience) under the supervision of an attending obstetrician...
February 23, 2019: American Journal of Obstetrics and Gynecology
Eimer G O'Malley, Ciara Me Reynolds, Michael J Turner
No abstract text is available yet for this article.
February 23, 2019: American Journal of Obstetrics and Gynecology
Jessica R Iyer, Annelies van Rie, Sabina A Haberlen, Mutsa Mudavanhu, Lillian Mutunga, Jean Bassett, Sheree R Schwartz
BACKGROUND: Subfertility among couples affected by HIV impacts on the wellbeing of couples who desire to have children and may prolong HIV exposure. Subfertility in the antiretroviral therapy era and its determinants have not yet been well characterized. OBJECTIVES: To investigate the burden and determinants of subfertility among HIV-affected couples seeking safer conception services in South Africa. STUDY DESIGN: Non-pregnant women and male partners in HIV seroconcordant or HIV discordant relationships desiring a child were enrolled in the Sakh'umndeni safer conception cohort at Witkoppen Clinic in Johannesburg between July 2013─April 2017...
February 23, 2019: American Journal of Obstetrics and Gynecology
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