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50 papers 0 to 25 followers İVF, endometriosis, icsi, infertility
Meixiang Zhang, Wenbin Niu, Yu Wang, Jiawei Xu, Xiao Bao, Linlin Wang, Linqing Du, Yingpu Sun
PURPOSE: We reviewed the influence of dehydroepiandrosterone (DHEA) supplementation in patients with poor ovarian response (POR) undergoing in vitro fertilization or intracytoplasmic sperm injection (IVF/ICSI). METHODS: We searched Embase, MEDLINE, PubMed, and the Cochrane Library (1980-2015) for relevant papers and used the Newcastle-Ottawa Scale scoring system to evaluate study quality. Dichotomous data were expressed as pooled relative risk (RR) estimates with fixed or random effect models...
August 2016: Journal of Assisted Reproduction and Genetics
Akmal El-Mazny, Wafaa Ramadan, Ahmed Kamel, Sherine Gad-Allah
OBJECTIVE: To evaluate the effect of hydrosalpinx on uterine and ovarian blood flows in women with tubal factor infertility. STUDY DESIGN: In a cross-sectional study at a university teaching hospital, 60 women with hydrosalpinx-related tubal infertility (hydrosalpinx group) were compared with 60 women with male or unexplained infertility (non-hydrosalpinx group). In the mid-luteal (peri-implantation) phase of the cycle, endometrial thickness, uterine and ovarian artery pulsatility index (PI) and resistance index (RI), and endometrial and ovarian volume and 3D power Doppler vascularization index (VI), flow index (FI), and vascularization flow index (VFI) were measured in both groups...
April 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Mesut Oktem, Ismail Guler, Mehmet Erdem, Ahmet Erdem, Nuray Bozkurt, Onur Karabacak
BACKGROUND: Our objective was to evaluate the effectiveness of clomiphene citrate (CC) vs. letrozole (L) plus human menopausal gonadotropin (hMG) in gonadotropin releasing hormone (GnRH) antagonist protocol in poor prognosis women with previous failed ovarian stimulation undergoing intracytoplasmic sperm injection (ICSI). MATERIALS AND METHODS: This retrospective cohort study included cycles with CC and L plus hMG/GnRH antagonist protocols of 32 poor responders who had failed to have ideal follicles to be retrieved during oocyte pick-up (OPU) or embryo transfer (ET) at least for 2 previous in vitro fertilization (IVF) cycles with microdose flare protocol or GnRH antagonist protocol from January 2006 to December 2009...
October 2015: International Journal of Fertility & Sterility
Anderson Sanches Melo, Rui Alberto Ferriani, Paula Andrea Navarro
Polycystic ovary syndrome represents 80% of anovulatory infertility cases. Treatment initially includes preconception guidelines, such as lifestyle changes (weight loss), folic acid therapy to prevent the risk of fetal neural tube defects and halting the consumption of tobacco and alcohol. The first-line pharmacological treatment for inducing ovulation consists of a clomiphene citrate treatment for timed intercourse. The second-line pharmacological treatment includes the administration of exogenous gonadotropins or laparoscopic ovarian surgery (ovarian drilling)...
November 2015: Clinics
Elias M Dahdouh, Jacques Balayla, Juan Antonio García-Velasco
OBJECTIVE: To study whether preimplantation genetic screening with comprehensive chromosome screening (PGS-CCS) improves clinical implantation rates (IR) and sustained IR (beyond 20 weeks) compared with routine care for embryo selection in IVF cycles. DESIGN: Meta-analysis of randomized controlled trials (RCTs) and observational studies (OSs). SETTING: University-affiliated teaching hospital. PATIENT(S): Infertile couples undergoing IVF...
December 2015: Fertility and Sterility
Thorir Hardarson, Mona Bungum, Joe Conaghan, Marius Meintjes, Samuel J Chantilis, Laszlo Molnar, Kristina Gunnarsson, Matts Wikland
OBJECTIVE: To study whether a culture medium that allows undisturbed culture supports human embryo development to the blastocyst stage equivalently to a well-established sequential media. DESIGN: Randomized, double-blinded sibling trial. SETTING: Independent in vitro fertilization (IVF) clinics. PATIENT(S): One hundred twenty-eight patients, with 1,356 zygotes randomized into two study arms. INTERVENTION(S): Embryos randomly allocated into two study arms to compare embryo development on a time-lapse system using a single-step medium or sequential media...
December 2015: Fertility and Sterility
Lydia Luley, Anne Schumacher, Melissa J Mulla, Dirk Franke, Michael Löttge, Sara Fill Malfertheiner, Svetlana N Tchaikovski, Serban-Dan Costa, Berthold Hoppe, Vikki M Abrahams, Ana C Zenclussen
PROBLEM: Thrombophilia is associated with pregnancy complications. Treatment with low molecular weight heparin (LMWH) improves pregnancy outcome, but the underlying mechanisms are not clear. METHODS OF STUDY: We analyzed Treg frequency in blood from thrombophilic pregnancies treated with LMWH (n = 32) or untreated (n = 33) and from healthy pregnancies (n = 39) at all trimesters. Additionally, we treated pregnant wild-type, heterozygous and homozygous factor-V-Leiden (FVL) mice with LMWH or PBS and determined Treg frequency, pro-/anti-inflammatory cytokine levels and Caspase-3-activity in placenta and decidua...
May 2015: American Journal of Reproductive Immunology: AJRI
Song Dan, Wang Wei, Shi Yichao, Cheng Hongbo, Yang Shenmin, Wang Jiaxiong, Li Hong
The effects of prednisolone on pregnancy outcome are open to debate. This meta-analysis was performed to evaluate the efficiency of prednisolone administration on unexplained recurrent miscarriage (RM) and the process of assisted reproductive technology (ART). Relevant publications were searched from databases and the included randomized controlled trials (RCTs) investigated effects of prednisolone administration in women with unexplained RM or during ART. The outcomes in our analysis were measured in terms of risk ratios (RRs) with 95% confidence intervals (CI) using random effect models...
July 2015: American Journal of Reproductive Immunology: AJRI
Uma Thiruchelvam, Mary Wingfield, Cliona O'Farrelly
Endometriosis affects more than 10% of women, causing significant pain and morbidity. It is also a significant cause of infertility. The aetiology of the disease remains an enigma, and the mechanisms responsible for the associated infertility are unclear. A role for immune cells in endometriosis has been postulated, with attention directed towards natural killer (NK) cells and macrophages. NK cells kill tumours and infected cells but also have roles in tissue remodelling in several organs including the uterus and are key to successful pregnancy...
October 2015: American Journal of Reproductive Immunology: AJRI
Stefano Palomba, Marlieke A de Wilde, Angela Falbo, Maria P H Koster, Giovanni Battista La Sala, Bart C J M Fauser
BACKGROUND: The great majority of studies performed so far concerning women diagnosed with polycystic ovary syndrome (PCOS) have focused on diagnosis, menstrual cycle abnormalities, hirsutism and infertility. Although progress has been made in developing methods for achieving a pregnancy and reducing multiple gestations in women with PCOS, little attention has been paid to pregnancy complications and subsequent child outcomes. This review aims to summarize current knowledge regarding the clinical and pathophysiological features of pregnancy and children in women with PCOS...
September 2015: Human Reproduction Update
Deepak Kumar, Edward Springel, Robert M Moore, Brian M Mercer, Elliot Philipson, Joseph M Mansour, Sam Mesiano, Fredrick Schatz, Charles J Lockwood, John J Moore
OBJECTIVE: Inflammation/infection and abruption are leading causes of preterm premature rupture of the membranes. Recently, we identified granulocyte-macrophage colony-stimulating factor (GM-CSF) as a critical mediator of both tumor necrosis factor-α- (TNF; modeling inflammation) and thrombin-induced (modeling abruption) weakening of the fetal membranes. We found that (1) TNF and thrombin both induced GM-CSF in the choriodecidua, (2) blockade of GM-CSF action with neutralizing antibodies inhibited both TNF- and thrombin-induced fetal membrane weakening, and (3) GM-CSF alone induced fetal membrane weakening...
October 2015: American Journal of Obstetrics and Gynecology
Ali Abbara, Channa N Jayasena, Georgios Christopoulos, Shakunthala Narayanaswamy, Chioma Izzi-Engbeaya, Gurjinder M K Nijher, Alexander N Comninos, Deborah Peters, Adam Buckley, Risheka Ratnasabapathy, Julia K Prague, Rehan Salim, Stuart A Lavery, Stephen R Bloom, Matyas Szigeti, Deborah A Ashby, Geoffrey H Trew, Waljit S Dhillo
CONTEXT: In vitro fertilization (IVF) treatment is an effective therapy for infertility, but can result in the potentially life-threatening complication, ovarian hyperstimulation syndrome (OHSS). OBJECTIVE: This study aimed to investigate whether kisspeptin-54 can be used to effectively and safely trigger oocyte maturation in women undergoing IVF treatment at high risk of developing OHSS. SETTING AND DESIGN: This was a phase 2, multi-dose, open-label, randomized clinical trial of 60 women at high risk of developing OHSS carried out during 2013-2014 at Hammersmith Hospital IVF unit, London, United Kingdom...
September 2015: Journal of Clinical Endocrinology and Metabolism
Adi Hirshberg, Lorraine Dugoff
First-trimester ultrasound provides valuable information to help optimize the management of multifetal pregnancies. First trimester ultrasound the use of ultrasound and screening for aneuploidy has been well studied in singleton pregnancies. While evidence supporting the use of ultrasound in multiple gestations is well established, aneuploidy screening continues to evolve and its role in the prenatal setting has been less well studied. We review the importance of early first trimester ultrasound in assessing gestational age and chorionicity and early identification of anomalies, and review the various methods and limitations of aneuploidy screening and invasive diagnostic procedures in multiples...
September 2015: Clinical Obstetrics and Gynecology
Ramón Estruch, Emilio Ros, Jordi Salas-Salvadó, Maria-Isabel Covas, Dolores Corella, Fernando Arós, Enrique Gómez-Gracia, Valentina Ruiz-Gutiérrez, Miquel Fiol, José Lapetra, Rosa Maria Lamuela-Raventos, Lluís Serra-Majem, Xavier Pintó, Josep Basora, Miguel Angel Muñoz, José V Sorlí, José Alfredo Martínez, Miguel Angel Martínez-González
BACKGROUND: Observational cohort studies and a secondary prevention trial have shown an inverse association between adherence to the Mediterranean diet and cardiovascular risk. We conducted a randomized trial of this diet pattern for the primary prevention of cardiovascular events. METHODS: In a multicenter trial in Spain, we randomly assigned participants who were at high cardiovascular risk, but with no cardiovascular disease at enrollment, to one of three diets: a Mediterranean diet supplemented with extra-virgin olive oil, a Mediterranean diet supplemented with mixed nuts, or a control diet (advice to reduce dietary fat)...
April 4, 2013: New England Journal of Medicine
Auke B C Otten, Hubert J M Smeets
BACKGROUND: The endosymbiosis of an alpha-proteobacterium and a eubacterium a billion years ago paved the way for multicellularity and enabled eukaryotes to flourish. The selective advantage for the host was the acquired ability to generate large amounts of intracellular hydrogen-dependent adenosine triphosphate. The price was increased reactive oxygen species (ROS) inside the eukaryotic cell, causing high mutation rates of the mitochondrial DNA (mtDNA). According to the Muller's ratchet theory, this accumulation of mutations in asexually transmitted mtDNA would ultimately lead to reduced reproductive fitness and eventually extinction...
September 2015: Human Reproduction Update
Laura K Fonken, Randy J Nelson
Most organisms display endogenously produced ∼ 24-hour fluctuations in physiology and behavior, termed circadian rhythms. Circadian rhythms are driven by a transcriptional-translational feedback loop that is hierarchically expressed throughout the brain and body, with the suprachiasmatic nucleus of the hypothalamus serving as the master circadian oscillator at the top of the hierarchy. Appropriate circadian regulation is important for many homeostatic functions including energy regulation. Multiple genes involved in nutrient metabolism display rhythmic oscillations, and metabolically related hormones such as glucagon, insulin, ghrelin, leptin, and corticosterone are released in a circadian fashion...
August 2014: Endocrine Reviews
(no author information available yet)
A hereditary cancer syndrome is a genetic predisposition to certain types of cancer, often with onset at an early age, caused by inherited mutations in one or more genes. Cases of cancer commonly encountered by obstetrician-gynecologists or other obstetric-gynecologic providers--such as breast cancer, ovarian cancer, and endometrial cancer--are features of specific hereditary cancer syndromes. The most common hereditary cancer syndromes related to gynecologic cancer include hereditary breast and ovarian cancer syndrome, Lynch syndrome, Li-Fraumeni syndrome, Cowden syndrome, and Peutz-Jeghers syndrome...
June 2015: Obstetrics and Gynecology
James A Kashanian, Robert E Brannigan
No abstract text is available yet for this article.
May 5, 2015: JAMA: the Journal of the American Medical Association
Murat Bozkurt, Levent Şahin, Mustafa Ulaş
OBJECTIVES: Endometrial polyps have been identified as a possible factor for sub-fertility, their implication on endometrial NF-κB1 activity; the central regulator of the immune system gene expression involved in implantation has yet been little studied. We evaluated the NF-κB1 level and NF-κB p65 expression in the endometrium before and after hysteroscopic removal of the endometrial polyp during the mid-secretory phase. STUDY DESIGN: Infertile women with polyp (n=15) were enrolled...
June 2015: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Emily S Jungheim
No abstract text is available yet for this article.
May 2015: American Journal of Obstetrics and Gynecology
2015-05-03 07:27:25
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