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Controlled ovarian hyperstimulation

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https://www.readbyqxmd.com/read/28190892/slit2-robo4-signaling-potential-role-of-a-vegf-antagonist-pathway-to-regulate-luteal-permeability
#1
I Bekes, V Haunerdinger, R Sauter, I Holzheu, W Janni, A Wöckel, C Wulff
Introduction The corpus luteum (CL) is dependent on luteal vascular permeability, which is controlled by human chorionic gonadotropin (hCG) via vascular endothelial growth factor (VEGF). In this study we investigated the role of a potential VEGF antagonist pathway - Slit2/Robo4 - and its influence on endothelial cell adhesion. Materials and Methods Luteinized granulosa cells (LGCs) were stimulated with hCG in the absence or presence of a VEGF inhibitor. The expression of VEGF and Slit2 were measured. Human umbilical vein endothelial cells (HUVECs) were stimulated with Slit2 or VEGF, and gene expressions of cadherin 5 (CDH5) and claudin 5 (CLDN5) were measured...
January 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28167499/occupational-factors-and-markers-of-ovarian-reserve-and-response-among-women-at-a-fertility-centre
#2
Lidia Mínguez-Alarcón, Irene Souter, Paige L Williams, Jennifer B Ford, Russ Hauser, Jorge E Chavarro, Audrey J Gaskins
OBJECTIVES: To explore whether work schedules and physically demanding work were associated with markers of ovarian reserve and response. METHODS: This analysis included women (n=473 and n=313 for ovarian reserve and ovarian response analysis, respectively) enrolled in a prospective cohort study of couples presenting to an academic fertility centre (2004-2015). Information on occupational factors was collected on a take-home questionnaire, and reproductive outcomes were abstracted from electronic medical records...
February 6, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28137754/efficacy-and-safety-of-follitropin-alfa-lutropin-alfa-in-art-a-randomized-controlled-trial-in-poor-ovarian-responders
#3
P Humaidan, W Chin, D Rogoff, T D'Hooghe, S Longobardi, J Hubbard, J Schertz
STUDY QUESTION: How does the efficacy and safety of a fixed-ratio combination of recombinant human FSH plus recombinant human LH (follitropin alfa plus lutropin alfa; r-hFSH/r-hLH) compare with that of r-hFSH monotherapy for controlled ovarian stimulation (COS) in patients with poor ovarian response (POR)? SUMMARY ANSWER: The primary and secondary efficacy endpoints were comparable between treatment groups and the safety profile of both treatment regimens was favourable...
January 30, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28118681/metformin-during-ovulation-induction-with-gonadotrophins-followed-by-timed-intercourse-or-intrauterine-insemination-for-subfertility-associated-with-polycystic-ovary-syndrome
#4
REVIEW
Esmée M Bordewijk, Marleen Nahuis, Michael F Costello, Fulco Van der Veen, Leopoldo O Tso, Ben Willem J Mol, Madelon van Wely
BACKGROUND: Clomiphene citrate (CC) is generally considered first-line treatment in women with anovulation due to polycystic ovary syndrome (PCOS). Ovulation induction with follicle-stimulating hormone (FSH; gonadotrophins) is second-line treatment for women who do not ovulate or conceive while taking CC. Metformin may increase the effectiveness of ovulation induction with gonadotrophins and may promote safety by preventing multiple pregnancy. OBJECTIVES: To determine the effectiveness and safety of metformin co-treatment during ovulation induction with gonadotrophins with respect to rates of live birth and multiple pregnancy in women with PCOS...
January 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28116645/long-term-effects-of-repeated-superovulation-on-the-uterus-and-mammary-gland-in-rhesus-monkeys
#5
Peipei Yan, Jingyi Xu, Yan Zeng, Guoying Dong, Huarong Cao, Meimei Zheng, Hui Zhu
PURPOSE: The aim of this study is to evaluate the effect of repeated controlled ovarian hyperstimulation (COH) on the structure and function of the uterus and mammary gland. METHODS: Three adult female rhesus monkeys were superovulated up to four times, and three spontaneously ovulating monkeys were used as controls. After a 5-year period, the uterus and mammary gland tissue samples were collected for examination of their structure and function. Further, the expression of certain tumor markers was examined to assess the cancer risk for each organ...
January 23, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28111995/the-association-of-different-auto-antibodies-against-ovarian-tissues-and-gonadotropins-and-poor-ovarian-response-in-intracytoplasmic-sperm-injection-cycles
#6
Ladan Mohammadi Yeganeh, Ashraf Moini, Mandana Hemmat, Reza Salman Yazdi, Narges Bagheri Lankarani, Shabnam Khodabakhshi, Arash Behbahanian
This study aimed to assess the possible association between ovarian auto-antibodies and poor ovarian response to controlled ovarian hyperstimulation (COH) in patients undergoing intracytoplasmic sperm injection (ICSI) cycles. In total, 42 poor responders and 43 male factor subjects were enrolled in the study and underwent either a standard long gonadotropin-releasing hormone (GnRH) agonist or antagonist protocol. Anti-ovarian, anti-oocyte, anti-zona pellucida (anti-ZP) and anti-gonadotropin antibodies in their sera and follicular fluid (FF) were measured by an enzyme-linked immunosorbent assay technique (ELISA)...
January 22, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28111738/interventions-for-the-prevention-of-ohss-in-art-cycles-an-overview-of-cochrane-reviews
#7
REVIEW
Selma Mourad, Julie Brown, Cindy Farquhar
BACKGROUND: Ovarian hyperstimulation syndrome (OHSS) in assisted reproductive technology (ART) cycles is a treatment-induced disease that has an estimated prevalence of 20% to 33% in its mild form and 3% to 8% in its moderate or severe form. These numbers might even be higher for high-risk women such as those with polycystic ovaries or a high oocyte yield from ovum pickup. OBJECTIVES: The objective of this overview is to identify and summarise all evidence from Cochrane systematic reviews on interventions for prevention or treatment of moderate, severe and overall OHSS in couples with subfertility who are undergoing ART cycles...
January 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28107729/recombinant-lh-supplementation-in-patients-with-a-relative-reduction-in-lh-levels-during-ivf-icsi-cycles-a-prospective-randomized-controlled-trial
#8
Robert Lahoud, John Ryan, Peter Illingworth, Frank Quinn, Michael Costello
PURPOSE: The aim of this study was to assess the use of recombinant luteinizing hormone (rLH) supplementation in patients who experience a reduction in LH concentration during controlled ovarian hyperstimulation (COH) for IVF/ICSI. METHODS: A multi-center prospective randomized controlled trial (RCT) was performed over three years. Two hundred and forty patients aged between 24 and 42 years undergoing IVF/ICSI treatment with a long down regulation (LDR) protocol were recruited...
January 9, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28077366/effectiveness-of-acupuncture-in-women-with-polycystic-ovarian-syndrome-undergoing-in-vitro-fertilisation-or-intracytoplasmic-sperm-injection-a-systematic-review-and-meta-analysis
#9
Junyoung Jo, Yoon Jae Lee
OBJECTIVES: The aim of this systematic review was to assess the evidence from randomised controlled trials (RCTs) on the efficacy, effectiveness and safety of acupuncture in women with polycystic ovarian syndrome (PCOS) undergoing in vitro fertilisation (IVF) or intracytoplasmic sperm injection (ICSI). METHODS: We searched a total of 15 databases through October 2015. The participants were women with PCOS (diagnosed using the Rotterdam criteria) undergoing IVF or ICSI...
January 11, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28051220/the-influence-of-gonadotropins-on-clinico-biological-icsi-outcome-a-retrospective-comparative-study-rfsh-vs-hp-hmg
#10
Abdeljalil Khlifi, Olfa Kacem, Maher Maroueni, Leila Elgoul, Samir Hidar, Meriem Fekih, Sassi Boughizane, Habib Essaidi, Lassad Ben Regaya, Mohamed Bibi, Mounir Ajina, Hedi Khairi
Objective To investigate the difference in the outcome of ICSI-ET cycles among respondents patients, taking into account the molecule inducer of controlled ovarian stimulation: HP-hMG ou rFSH. Patients and Methods A comparative retrospective study over 62 months including a total of 1005 infertile couples, divided into two groups: HP-HMG (n=125) and rFSH (n=880). Results - The average numbers of retrieved oocytes and matures oocytes were significantly higher in rFSH group rFSH (7,94 ± 2,49, HP-HMG vs 9,05 ± 3,40, rFSH, p=0...
June 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/27995371/therapeutic-effect-of-acupuncture-on-the-outcomes-of-in-vitro-fertilization-a-systematic-review-and-meta-analysis
#11
REVIEW
Yi Qian, Xin-Ru Xia, Humphrey Ochin, Cun Huang, Chao Gao, Li Gao, Yu-Gui Cui, Jia-Yin Liu, Yan Meng
PURPOSE: Controversial results have been reported concerning the effect of acupuncture on in vitro fertilization (IVF) outcomes. The current review was conducted to systematically review published studies of the effects of acupuncture on IVF outcomes. METHODS: Women undergoing IVF in randomized controlled trials (RCTs) were evaluated for the effects of acupuncture on IVF outcomes. The treatment groups involved traditional, electrical, laser, auricular, and other acupuncture techniques...
December 19, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27986819/there-is-no-evidence-that-the-time-from-egg-retrieval-to-embryo-transfer-affects-live-birth-rates-in-a-freeze-all-strategy
#12
K Lattes, M A Checa, R Vassena, M Brassesco, V Vernaeve
STUDY QUESTION: Does the time from ovum pick-up (OPU) to frozen embryo transfer (FET) affect reproductive outcomes in a freeze-all strategy? SUMMARY ANSWER: Our study did not detect statistically significant differences between first and subsequent cycles, clinically relevant differences are not ruled out and further and larger studies are required. WHAT IS KNOWN ALREADY: Following controlled ovarian hyperstimulation (COH) delaying FET until the endometrium has returned to an optimal pre-stimulation state may have a significant emotional impact on patients, which adds to the stress and anxiety accompanying a standard IVF cycle...
February 2017: Human Reproduction
https://www.readbyqxmd.com/read/27976369/clomiphene-and-other-antioestrogens-for-ovulation-induction-in-polycystic-ovarian-syndrome
#13
REVIEW
Julie Brown, Cindy Farquhar
BACKGROUND: Subfertility due to anovulation is a common problem in women. First-line oral treatment is with antioestrogens such as clomiphene citrate, but resistance may be apparent with clomiphene. Alternative and adjunctive treatments have been used including tamoxifen, dexamethasone, and bromocriptine. The effectiveness of these is to be determined. OBJECTIVES: To determine the relative effectiveness of antioestrogen agents including clomiphene alone or in combination with other medical therapies in women with subfertility associated with anovulation, possibly caused by polycystic ovarian syndrome...
15, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27912901/individualized-versus-conventional-ovarian-stimulation-for-in%C3%A2-vitro-fertilization-a-multicenter-randomized-controlled-assessor-blinded-phase-3-noninferiority-trial
#14
Anders Nyboe Andersen, Scott M Nelson, Bart C J M Fauser, Juan Antonio García-Velasco, Bjarke M Klein, Joan-Carles Arce
OBJECTIVE: To compare the efficacy and safety of follitropin delta, a new human recombinant FSH with individualized dosing based on serum antimüllerian hormone (AMH) and body weight, with conventional follitropin alfa dosing for ovarian stimulation in women undergoing IVF. DESIGN: Randomized, multicenter, assessor-blinded, noninferiority trial (ESTHER-1). SETTING: Reproductive medicine clinics. PATIENT(S): A total of 1,329 women (aged 18-40 years)...
February 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/27901279/dopamine-agonists-for-preventing-ovarian-hyperstimulation-syndrome
#15
REVIEW
Huilin Tang, Selma Mourad, Suo-Di Zhai, Roger J Hart
BACKGROUND: Ovarian hyperstimulation syndrome (OHSS) is a potentially serious complication of ovarian stimulation in assisted reproduction technology (ART). It is characterised by enlarged ovaries and an acute fluid shift from the intravascular space to the third space, resulting in bloating, increased risk of venous thromboembolism and decreased organ perfusion. Most cases are mild, but forms of moderate or severe OHSS appear in 3% to 8% of in vitro fertilisation (IVF) cycles. The dopamine agonist cabergoline was introduced as a secondary prevention intervention for OHSS in women at high risk of OHSS undergoing ART treatment...
30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27865939/c-reactive-protein-response-is-higher-in-early-than-in-late-ovarian-hyperstimulation-syndrome
#16
Kati V M Korhonen, Hanna M Savolainen-Peltonen, Tomi S Mikkola, Aila E Tiitinen, Leila S Unkila-Kallio
OBJECTIVES: Many in vitro fertilization (IVF) complications are inflammatory by nature, some of which are even life-threatening. We evaluated the response of C-reactive protein (CRP) in IVF complications, especially in early and late ovarian hyperstimulation syndrome (OHSS), to support clinical decision making in gynecological emergency policlinics. STUDY DESIGN: In a prospective two-year study at Helsinki University Hospital, Finland, we recruited patients with IVF complications including moderate or severe OHSS (n=47 patients: 36 early and 14 late OHSS cases), or other IVF complications (n=13)...
December 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27865446/use-of-utrogestan-during-controlled-ovarian-hyperstimulation-in-normally-ovulating-women-undergoing-in%C3%A2-vitro-fertilization-or-intracytoplasmic-sperm-injection-treatments-in-combination-with-a-freeze-all-strategy-a-randomized-controlled-dose-finding-study-of
#17
Xiuxian Zhu, Hongjuan Ye, Yonglun Fu
OBJECTIVE: To compare the clinical characteristics in a Utrogestan and hMG protocol with the use of different doses of Utrogestan in normally ovulating women undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) treatments. DESIGN: Prospective controlled study. SETTING: Tertiary-care academic medical center. PATIENT(S): A total of 150 infertile patients undergoing IVF/ICSI treatments. INTERVENTION(S): Utrogestan and hMG were administered simultaneously beginning on cycle day 3...
February 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/27852101/human-chorionic-gonadotrophin-priming-for-fertility-treatment-with-in-vitro-maturation
#18
REVIEW
Jane Reavey, Katy Vincent, Timothy Child, Ingrid E Granne
BACKGROUND: In vitro maturation (IVM) is a fertility treatment that involves the transvaginal retrieval of immature oocytes, and their subsequent maturation and fertilisation. Although the live birth rate is lower than conventional in vitro fertilisation (IVF) with ovarian stimulation, it is a useful treatment, as it avoids the risk of ovarian hyperstimulation syndrome (OHSS). Women with polycystic ovaries (PCO) or polycystic ovarian syndrome (PCOS) are at an increased risk of OHSS. Thus, IVM may be a more useful treatment in this patient group...
16, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27817037/effect-of-body-mass-index-on-the-outcomes-of-controlled-ovarian-hyperstimulation-in-chinese-women-with-polycystic-ovary-syndrome-a-multicenter-prospective-observational-study
#19
Yan Sheng, Guangxiu Lu, Jiayin Liu, Xiaoyan Liang, Yanping Ma, Xuehong Zhang, Songying Zhang, Yingpu Sun, Yun Sun, Wenfeng Chen, Wenhui Fang, Zijiang Chen
PURPOSE: The purpose of the present study is to explore the influence of body mass index (BMI) on outcomes of in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) techniques in Chinese women with polycystic ovary syndrome (PCOS). METHODS: This was a multicenter, prospective, observational study that enrolled 800 subjects with PCOS from nine hospitals in China. Patients were categorized according to BMI categories: underweight, <18.5 kg/m(2); normal, 19-23...
November 5, 2016: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27816925/a-short-course-of-metformin-does-not-reduce-ohss-in-a-gnrh-antagonist-cycle-for-women-with-pcos-undergoing-ivf-a-randomised-placebo-controlled-trial
#20
S L Jacob, C Brewer, T Tang, H M Picton, J H Barth, A H Balen
STUDY QUESTION: Does 'metformin' reduce the incidence of ovarian hyperstimulation syndrome (OHSS) for women with polycystic ovary syndrome (PCOS) undergoing a GnRH antagonist assisted conception treatment cycle? SUMMARY ANSWER: A short course of metformin does not reduce the incidence of OHSS for women with PCOS undergoing a GnRH antagonist treatment cycle. WHAT IS KNOWN ALREADY: Metformin does reduce the incidence of OHSS in a GnRH-agonist treatment cycle...
November 5, 2016: Human Reproduction
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