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Ovarian stimulation protocol

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https://www.readbyqxmd.com/read/29040589/corifollitropin-alfa-followed-by-highly-purified-hmg-versus-recombinant-fsh-in-young-poor-ovarian-responders-a-multicentre-randomized-controlled-clinical-trial
#1
Panagiotis Drakopoulos, Thi Ngoc Lan Vuong, Ngoc Anh Vu Ho, Alberto Vaiarelli, Manh Tuong Ho, Christophe Blockeel, Michel Camus, Anh Tuan Lam, Arne van de Vijver, Peter Humaidan, Herman Tournaye, Nikolaos P Polyzos
STUDY QUESTION: Does administration of corifollitropin alfa followed by highly purified (hp) HMG result in higher ongoing pregnancy rates compared with daily recombinant FSH (rFSH) in young poor responders? SUMMARY ANSWER: Corifollitropin alfa followed by hp-HMG does not increase ongoing pregnancy rates compared with rFSH in young poor responders, although more supernumerary cryopreserved embryos were obtained with corifollitropin alfa and hp-HMG. WHAT IS KNOWN ALREADY: Poor ovarian response remains one of the main therapeutic challenges in women undergoing ovarian stimulation, given that very low live birth rates of 6% have been reported in this particular group of infertile patients...
September 23, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29030068/double-ovarian-stimulation-during-the-follicular-and-luteal-phase-in-women-%C3%A2-38-years-a-retrospective-case-control-study
#2
Conghui Liu, Hong Jiang, Wenxiang Zhang, Huiqun Yin
Previous studies have shown that double ovarian stimulation could obtain more oocytes in women with poor ovarian response. This retrospective case-control study aimed to investigate the efficacy of double ovarian stimulation in older women. One hundred and sixteen women aged ≥38 years who received double ovarian stimulation were assigned to the study, with 103 divided into four groups according to follicular-phase ovarian stimulation protocols, including gonadotrophin-releasing hormone agonist short protocol (n = 27), gonadotrophin-releasing hormone antagonist protocol (n = 32), mild stimulation protocol (n = 21) and medrocyprogesterone acetate (MPA) pituitary down-regulation protocol (n = 23)...
August 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29026718/the-association-of-follicular-fluid-volume-with-human-oolemma-stretchability-during-intracytoplasmic-sperm-injection
#3
Taketo Inoue, Yoshiki Yamashita, Yoshiko Tsujimoto, Shuji Yamamoto, Sayumi Taguchi, Kayoko Hirao, Mikiko Uemura, Kayoe Ikawa, Kazunori Miyazaki
OBJECTIVE: Oocyte degeneration often occurs after intracytoplasmic sperm injection (ICSI), and the risk factor is low-quality oocytes. The follicular fluid (FF) provides a crucial microenvironment for oocyte development. We investigated the relationships between the FF volume aspirated from individual follicles and oocyte retrieval, oocyte maturity, oolemma stretchability, fertilization, and development. METHODS: This retrospective study included data obtained from 229 ICSI cycles...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28993961/predictive-factors-for-live-birth-after-in-vitro-maturation-of-oocytes-in-women-with-polycystic-ovary-syndrome
#4
Samer Tannus, Safak Hatirnaz, Justin Tan, Baris Ata, Seang-Lin Tan, Ebru Hatirnaz, Mine Kenat-Pektas, Michael-Haim Dahan
OBJECTIVE: In vitro maturation (IVM) of human oocytes can be an alternative treatment option to conventional in vitro fertilization. Women with polycystic ovary syndrome (PCOS) are considered the classical candidates for IVM because of the associated ovarian morphology and because IVM diminishes the risk of developing ovarian hyperstimulation syndrome. The objective of this study was to identify predictive factors for live birth in a cohort of women with PCOS who underwent IVM. METHODS: This retrospective study included 159 patients with PCOS who had IVM cycles in which single or double embryo transfer was performed...
October 9, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28969562/ovarian-stimulation-in-poor-responders-have-we-made-progress
#5
Robert Roman, Naiha Mussarat, Laura Detti
BACKGROUND: Poor ovarian responders (POR) pose a challenge to a physicians' ability to choose a stimulation protocol that maximizes the number of oocytes harvested and their chances of conception with multiple protocols aimed at improving pregnancy rates in this poor prognosis population. The Bologna criteria standardized the diagnosis of POR and allows for a more homogenous patient population in clinical trials. METHODS: A structured review of the literature, which encompasses research on Bologna-defined POR, identified several proposed protocols to optimize pregnancy rates in poor responders...
October 2, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28965549/mild-stimulation-for-in%C3%A2-vitro-fertilization
#6
REVIEW
Geeta Nargund, Adrija Kumar Datta, Bart C J M Fauser
It has been proven that the use of high gonadotropin dose does not necessarily improve the final outcome of IVF. Mild ovarian stimulation is based on the principle of optimal utilization of competent oocytes/embryos and endometrial receptivity. There is growing evidence that the pregnancy or live birth rates with mild-stimulation protocols are comparable to those with conventional IVF; the cumulative pregnancy outcome has been shown to be no different, despite having fewer numbers of oocytes or embryos available with milder ovarian stimulation...
October 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28960429/the-effects-of-low-dose-hcg-combined-with-hmg-protocol-on-women-with-hypogonadotropic-hypogonadism-undergoing-ovarian-stimulation-for-in-vitro-fertilization
#7
Shutian Jiang, Yanping Kuang
OBJECTIVES: To investigate the effects of low-dose human chorionic gonadotropin (hCG) combined with human menopausal gonadotropin (HMG) protocol on cycle characteristics and outcomes of infertile women with hypogonadotropic hypogonadism (HH) undergoing ovarian stimulation for in vitro fertilization (IVF). DESIGN: A retrospective cohort study. SETTING: Tertiary-care academic medical centre. PATIENT(S): Forty-six infertile patients with HH and seventy-one infertile patients with tubal factor (TF) infertility undergoing IVF...
September 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28948397/neonatal-outcomes-and-congenital-malformations-in-children-born-after-human-menopausal-gonadotropin-and-medroxyprogesterone-acetate-treatment-cycles
#8
Jie Zhang, Xiaoyan Mao, Yun Wang, Qiuju Chen, Xuefeng Lu, Qingqing Hong, Yanping Kuang
PURPOSE: To investigate neonatal outcomes and congenital malformations in children born after in vitro fertilization (IVF) and vitrified embryo transfer cycles using human menopausal gonadotrophin and medroxyprogesterone acetate (hMG + MPA) treatment. METHODS: We performed a retrospective cohort study including 4596 live born babies. During January 2014-June 2016, children born after either hMG + MPA treatment, gonadotropin releasing hormone agonist short protocol, or mild ovarian stimulation were included...
September 25, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28942696/gnrh-antagonist-does-not-prevent-premature-luteinization-and-ovulation-in-stimulated-cycles-with-gonadotropins-for-ivf-two-case-reports
#9
Pieraldo Inaudi, Valeria Barra, Francesca Letizia Vellucci, Cristina Regini, Stefano Luisi
The use of GnRH antagonists (GnRHant) is increasing in the ovarian stimulation protocol. Among several other benefits, GnRHant should prevent a premature luteinization and premature ovulation, the first described either as a 'reassuringly rare event' or 'frequent event', while the second as occurring more frequently in women with decreased ovarian reserve, advanced age and poor ovarian response. Two cases of associated premature luteinization and premature ovulation, during treatment with gonadotropins and GnRHant in IVF cycles, are here reported...
September 23, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28942116/low-oocyte-yield-during-ivf-treatment-and-the-risk-of-a-trisomic-pregnancy
#10
Talita Honorato, Annemieke Hoek, Anna-Karina Henningsen, Anja Pinborg, Ojvind Lidegaard, Thea Mooij, Floor van Leeuwen, Jolande Land, Henk Groen, Maaike Haadsma
A low number of antral follicles may result in the selection of suboptimal oocytes that are prone to meiotic errors. The aim of this case-control study was to evaluate women receiving IVF treatment with low oocyte yield (defined as three or fewer oocytes retrieved after ovarian stimulation) who are at an increased risk of a trisomic pregnancy. Data were obtained from Danish and Dutch medical registries between 1983 and 2011. Analyses were carried out in 105 cases and 442 controls matched by age and year of IVF treatment...
September 6, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28934714/efficacy-of-dehydroepiandrosterone-dhea-to-overcome-the-effect-of-ovarian-ageing-ditto-a-proof-of-principle-double-blinded-randomized-placebo-controlled-trial
#11
Amarin Narkwichean, Walid Maalouf, Miriam Baumgarten, Lukasz Polanski, Nick Raine-Fenning, Bruce Campbell, Kannamannadiar Jayaprakasan
OBJECTIVE: To evaluate the effect of DHEA supplementation on In-Vitro Fertilisation (IVF) outcome as assessed by ovarian response, oocyte developmental competence and live birth rates in women predicted to have poor ovarian reserve (OR). The feasibility of conducting a large trial is also assessed by evaluating the recruitment rates and compliance of the recruited participants with DHEA/placebo intake and follow-up rates. STUDY DESIGN: A single centre, double blinded, placebo controlled, randomized trial was performed over two years with 60 women undergoing in-vitro fertilisation (IVF)...
September 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28925272/-fertility-preserving-methods-in-women-with-breast-cancer-before-gonadotoxic-therapy
#12
N Halászová, I Crha, M Huser, V Weinberger, J Žáková, M Ješeta, E Lousová, E Filipinská, P Ventruba
OBJECTIVE: To present current options and own experiences with ovarian stimulation in young women with breast cancer before gonadotoxic therapy. DESIGN: Review article with own experiencies. METHODS: Literary search, analysis of own experiences with complex therapy in women with breast cancer planning pregnancy, definitions of stimulating protocols, using methods of assisted reproduction. SETTING: Department of Obstetrics and Gynecology, Faculty of Medicine, Masaryk University and University Hospital Brno...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28911928/introduction-contemporary-approaches-to-alternative-ovarian-stimulation-strategies-for-in%C3%A2-vitro-fertilization
#13
Richard J Paulson
In the current practice of IVF, the vast majority of cycles use some form of controlled ovarian stimulation before egg retrieval to increase the number of embryos available for transfer or cryopreservation. However, the optimal stimulation regimen has not been established. This month's Views and Reviews presents five different approaches to alternative ovarian stimulation strategies. These include mild stimulation regimens, modified natural cycles, stimulation with oral agents, in vitro maturation (in the absence of stimulation), and finally, a proposal for patient-tailored ovarian stimulation...
October 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28904504/role-of-serpine-gene-polymorphism-in-recurrent-implantation-failure-and-preeclampsia
#14
Nidhi Sharma, Jayashree K Srinivasan, Margeret Harriet Priya, Venkatachalam Sibiya
This is a rare case of serpine gene polymorphism causing thrombophilia and recurrent implantation failure following intrauterine insemination. SERPINE1 gene encodes plasminogen activator inhibitor type 1 and inhibits fibrinolysis, or clot dissolution. The 4G variant results in increased expression of SERPINE1 and consequently higher inhibition of fibrinolysis, thus leading to thrombophilia. The patient had unexplained primary infertility for 9 years. Ovulation induction was done with gonadotropin releasing hormone (GnRH) agonist long protocol...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28904496/serum-amh-level-to-predict-the-hyper-response-in-women-with-pcos-and-non-pcos-undergoing-controlled-ovarian-stimulation-in-art
#15
Radha Vembu, Nellepalli Sanjeeva Reddy
BACKGROUND: It is essential to determine the cut-off value of serum anti-Mullerian hormone (AMH) to predict the hyper response in assisted reproductive technology (ART). There are few studies mentioning the cut-off value for the hyper response in infertile women but not specifically for polycystic ovary syndrome (PCOS) and non-PCOS groups. With this in background, this study was conducted. AIM: To determine the cut-off value of serum AMH to predict the hyper response in women with PCOS and non-PCOS undergoing a controlled ovarian stimulation (COS) in ART...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28903472/gnrh-antagonist-versus-long-agonist-protocols-in-ivf-a-systematic-review-and-meta-analysis-accounting-for-patient-type
#16
C B Lambalk, F R Banga, J A Huirne, M Toftager, A Pinborg, R Homburg, F van der Veen, M van Wely
BACKGROUND: Most reviews of IVF ovarian stimulation protocols have insufficiently accounted for various patient populations, such as ovulatory women, women with polycystic ovary syndrome (PCOS) or women with poor ovarian response, and have included studies in which the agonist or antagonist was not the only variable between the compared study arms. OBJECTIVE AND RATIONALE: The aim of the current study was to compare GnRH antagonist protocols versus standard long agonist protocols in couples undergoing IVF or ICSI, while accounting for various patient populations and treatment schedules...
September 1, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28898686/the-impact-of-ovulation-induction-and-ovarian-stimulation-on-the-risk-of-pregnancy-induced-hypertension-and-on-neonatal-outcomes-a-case-control-study
#17
Lionel Carbillon, Heloise Gronier, Isabelle Cedrin-Durnerin, Isabelle Pharisien, Minh T Nguyen, Paul Valensi, Emmanuel Cosson
OBJECTIVES: To study the role of ovarian stimulation procedures on the risk of pregnancy-induced hypertension, gestational diabetes mellitus and neonatal outcomes according to women's characteristics and the causes of infertility. DESIGN: Retrospective, observational, case/control study. PATIENTS: Spontaneous pregnancies (group A, n=8107), pregnancies achieved after mild ovarian ovulation induction without other Assisted Reproductive Technology (ART) procedures (group B, n=44), pregnancies after mild ovarian stimulation and ART procedures (group C, n=53) or pregnancies after multi (>2) follicular stimulation with gonadotrophin therapy and ART procedures (group D, n=133); all of the groups had identical protocols for prenatal care...
September 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28890430/how-to-personalize-ovarian-stimulation-in-clinical-practice
#18
Giovanna Sighinolfi, Valentina Grisendi, Antonio La Marca
Controlled ovarian stimulation (COS) in in vitro fertilization (IVF) cycles is the starting point from which couple's prognosis depends. Individualization in follicle-stimulating hormone (FSH) starting dose and protocol used is based on ovarian response prediction, which depends on ovarian reserve. Anti-Müllerian hormone levels and the antral follicle count are considered the most accurate and reliable markers of ovarian reserve. A literature search was performed for studies that addressed the ability of ovarian reserve markers to predict poor and high ovarian response in assisted reproductive technology cycles...
September 1, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28888334/preparation-characterization-and-application-of-long-acting-fsh-analogs-for-assisted-reproduction
#19
David Ben-Menahem
Assisted reproduction technologies are widely used in humans and domestic animals and often include follicle stimulating hormone (FSH) in the protocol. One limitation with most of the available FSH preparations is the relative short half-life in the circulation that dictates multiple daily injections for the desired follicle development and superovulation. The development of bioactive long-acting structurally modified FSH analogs is desirable for human and veterinary use. In addition, optimal preparations and/or formulations are expected to improve the regimen and efficiency of the treatment...
September 6, 2017: Theriogenology
https://www.readbyqxmd.com/read/28874104/ovarian-stimulation-in-patients-with-cancer-impact-of-letrozole-and-brca-mutations-on-fertility-preservation-cycle-outcomes
#20
Volkan Turan, Giuliano Bedoschi, Volkan Emirdar, Fred Moy, Kutluk Oktay
BACKGROUND: Aromatase inhibitors (AI) have been introduced to reduce estrogen exposure in women with estrogen-sensitive cancer undergoing ovarian stimulation for oocyte/embryo cryopreservation. There have been questions regarding whether the addition of AI and the presence of BRCA mutations affect cycle outcomes. We sought to determine the impact of letrozole and BRCA mutations on fertility preservation (FP) cycle outcomes of patients undergoing ovarian stimulation with an antagonist protocol...
January 1, 2017: Reproductive Sciences
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