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Ovarian stimulation protocol

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https://www.readbyqxmd.com/read/29204869/estrogen-treatment-in-infertile-women-with-premature-ovarian-insufficiency-in-transitional-phase-a-retrospective-analysis
#1
Sara Pinelli, Paolo Giovanni Artini, Stefano Basile, Maria Elena Rosa Obino, Claudia Sergiampietri, Diana Giannarelli, Giovanna Simi, Vito Cela
PURPOSE: During the transitional phase of premature ovarian insufficiency (POI), sporadic resumption of ovulation is possible because of fluctuation of hormonal levels but the chance of spontaneous pregnancy is low, and the main perspective of childbearing in these women is egg donation or adoption. The purpose of the study was to verify whether treatment with estrogens in POI patients in transitional phase could reduce FSH levels and to evaluate if this pre-treatment could improve reproductive outcomes of in vitro fertilization (IVF)...
December 5, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29203384/do-endometriomas-grow-during-ovarian-stimulation-for-assisted-reproduction-a-three-dimensional-volume-analysis-before-and-after-ovarian-stimulation
#2
Ayse Seyhan, Bulent Urman, Engin Turkgeldi, Baris Ata
Whether endometriomas grow because of supraphysiological oestradiol levels attained during ovarian stimulation for assisted reproduction techniques is a concern. In this prospective study, 25 women with 28 endometriomas underwent three-dimensional ultrasound using sono-automated volume calculation software. Endometrioma volume was measured on the first day of gonadotrophin injection (V1) and the day of ovulation trigger (V2). Nine (36%) women were stimulated in a gonadotrophin releasing hormone antagonist protocol (GnRH), 13 (52%) in a long, and three (12%) in an ultra-long GnRH agonist protocol...
November 17, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29198975/improvement-of-bovine-in%C3%A2-vitro-embryo-production-by-ovarian-follicular-wave-synchronization-prior-to-ovum-pick-up
#3
F L B Cavalieri, F Morotti, M M Seneda, A H B Colombo, M A Andreazzi, I P Emanuelli, L P Rigolon
This study evaluated the effects of the synchronization of ovarian follicular wave emergence on the efficiency of in vitro embryo production. Bos indicus cows (n = 20) were divided into two groups (control vs. synchronization) and subjected to repeated ovum pick-up (OPU) sessions (8 replicates each, with an interval of 21 days in a 2 × 2 crossover design) and subsequent in vitro embryo production. Cows in the control group (n = 10) were submitted to OPU procedures without any stimulation every 21 days...
November 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/29197724/follicular-response-and-oocyte-production-following-variations-in-ovarian-stimulation-in-goats
#4
Claudinéia Silva Mendes, Larissa Pires Barbosa, Monna Lopes de Araújo, Emmanuel Emydio Gomes Pinheiro, Maicon Pereira Lents, Lincoln da Silva Amorim, Cláudia Kazumi Kiya, Ana Lúcia Almeida Santana
In this study, goats were subjected to ovarian stimulation protocols to evaluate possible differences in ovarian follicular responses and oocyte production. Two experiments were conducted to assess the effects of hormonal protocol duration (seven or twelve days) and number of follicle stimulating hormone (FSH) applications (one or five doses). All animals received intravaginal sponges saturated with 60 mg medroxyprogesterone acetate and an application of 125 μg cloprostenol 72 h before the sponges were removed...
November 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/29178020/author-correction-a-novel-oocyte-maturation-trigger-using-1500%C3%A2-iu-of-human-chorionic-gonadotropin-plus-450%C3%A2-iu-of-follicle-stimulating-hormone-may-decrease-ovarian-hyperstimulation-syndrome-across-all-in-vitro-fertilization-stimulation-protocols
#5
Yanett Anaya, Douglas A Mata, Joseph Letourneau, Hakan Cakmak, Marcelle I Cedars, Mitchell P Rosen
The original version of this article unfortunately contained a mistake. The middle initial of Douglas A. Mata was omitted. The original article has been corrected.
November 25, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29177592/hyperandrogenemia-and-ovarian-reserve-in-patients-with-mayer-rokitansky-k%C3%A3-ster-hauser-syndrome-type-1-and-2-potential-influences-on-ovarian-stimulation
#6
Melanie Henes, Ludmila Jurow, Andreas Peter, Birgitt Schoenfisch, Florin Andrei Taran, Markus Huebner, Harald Seeger, Sara Yvonne Brucker, Kristin Katharina Rall
PURPOSE: This study aimed to analyze the hormone profiles, to detect the rate of hyperandrogenemia and to investigate the potential effect of Mayer-Rokitansky-Küster-Hauser syndrome (MRKHS) on ovarian reserve, as reflected by the serum Anti-Mullerian hormone (AMH) levels. Clinical implications were analyzed by including our own experiences with three patients after ovarian stimulation in preparation for uterus transplantation. METHODS: Serum samples of 100 patients with MRKHS (50 patients with MRKHS type 1 and 50 with type 2) were analyzed and compared to 50 individually age-matched healthy controls...
November 24, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29177244/final-follicular-maturation-by-administration-of-gnrh-agonist-plus-hcg-versus-hcg-in-normal-responders-in-art-cycles-an-rct
#7
Maryam Eftekhar, Maryam Farid Mojtahedi, Sepideh Miraj, Malihe Omid
Background: Gonadotropin-releasing hormone agonists (GnRH-a) was increasingly used for triggering oocyte maturationfor the prevention of ovarian hyperstimulation syndrome. Studies suggest that GnRH-a might be used as a better trigger agent since it causes both Luteinizing hormone and follicle stimulating hormone release from a physiologic natural cycle. Objective: The aim of this study was to evaluate the effect of dual-triggering in assisted reproductive technology outcomes...
July 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29175065/effect-of-the-initiation-of-progesterone-supplementation-in-in%C3%A2-vitro-fertilization-embryo-transfer-outcomes-a-prospective-randomized-controlled-trial
#8
Jun Gao, Fang Gu, Ben-Yu Miao, Ming-Hui Chen, Can-Quan Zhou, Yan-Wen Xu
OBJECTIVE: To analyze the influence of the start point of luteal support on clinical pregnancy rate, implantation rate, and live birth rate of in vitro fertilization and embryo transfer (IVF-ET) cycles. DESIGN: Single-center prospective randomized controlled trial. SETTING: University-affiliated IVF unit. PATIENT(S): Women ≤35 years of age with day 3 FSH levels <15 mIU/mL, who were undergoing their first IVF-ET cycles and received ovarian stimulation with the use of a GnRH agonist long protocol...
November 23, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/29174168/advanced-glycation-end-product-concentrations-in-follicular-fluid-of-women-undergoing-ivf-icsi-with-a-gnrh-agonist-protocol
#9
Qi Yao, Yuanjiao Liang, Yong Shao, Wenwen Bian, Haiyan Fu, Juanjuan Xu, Liucai Sui, Bing Yao, Meiling Li
The accumulation of advanced glycation end products (AGE) is associated with ovarian dysfunction. This study examines whether the accumulation of AGE in follicular fluid affects ovarian responsiveness and embryo quality during IVF/intracytoplasmic sperm injection (IVF/ICSI) with a gonadotrophin-releasing hormone (GnRH) agonist protocol. The levels of AGE in follicular fluid were measured in 127 women undergoing IVF/ICSI in GnRH agonist cycles. Plasma hormones were also measured. Embryos were graded using standard approaches...
September 21, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29174128/intrauterine-insemination-with-ovarian-stimulation-versus-expectant-management-for-unexplained-infertility-tui-a-pragmatic-open-label-randomised-controlled-two-centre-trial
#10
Cynthia M Farquhar, Emily Liu, Sarah Armstrong, Nicola Arroll, Sarah Lensen, Julie Brown
BACKGROUND: Women with unexplained infertility are often offered intrauterine insemination (IUI) with ovarian stimulation as an alternative to in-vitro fertilisation (IVF). However, little evidence exists that IUI is an effective treatment. In 2013, the UK National Institute for Health and Care Excellence recommended that IUI should not be routinely offered for couples with unexplained infertility. METHODS: For this pragmatic, open-label, randomised, controlled, two-centre study, we enrolled women attending two fertility clinics in New Zealand with unexplained infertility and an unfavourable prognosis of natural conception...
November 23, 2017: Lancet
https://www.readbyqxmd.com/read/29165545/successful-in-vitro-maturation-of-oocytes-a-matter-of-follicular-differentiation
#11
Alberto Maria Luciano, Marc-André Sirard
Folliculogenesis is remarkably similar in cattle and humans. In this review, we consider the known differences and provide a possible explanation for the greater success of oocyte in vitro maturation in cattle. Two different parallel processes that are critical for oocyte competence acquisition are examined. The first occurs in the follicle and in turn influences the oocyte, the second occurs within the oocyte itself and involves the gradual cessation of the transcription machinery with additional changes observable in the chromatin structure...
November 20, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29162950/intrauterine-insemination-fundamentals-revisited
#12
EDITORIAL
Gautam N Allahbadia
Intrauterine insemination (IUI) is an assisted conception technique that involves the deposition of a processed semen sample in the upper uterine cavity, overcoming natural barriers to sperm ascent in the female reproductive tract. It is a cost-effective, noninvasive first-line therapy for selected patients with functionally normal tubes, and infertility due to a cervical factor, anovulation, moderate male factor, unexplained factors, immunological factor, and ejaculatory disorders with clinical pregnancy rates per cycle ranging from 10 to 20%...
December 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/29152085/the-effect-of-human-chorionic-gonadotrophin-contained-in-human-menopausal-gonadotropin-on-the-clinical-outcomes-during-progestin-primed-ovarian-stimulation
#13
Xiuxian Zhu, Jing Ye, Yonglun Fu, Ai Ai, Renfei Cai, Yun Wang, Qingging Hong, Tian Hui, Qifeng Lyu, Qiuju Chen, Yanping Kuang
Progestin-primed ovarian stimulation (PPOS) protocol has recently been demonstrated to be an novel regimen for preventing premature LH surges during controlled ovarian hyperstimulation (COH) in combination with frozen-thawed embryo transfer (FET). Our prospective controlled study was to explore the effect of human chorionic gonadotropin (hCG) contained in human menopausal gonadotropin (hMG) on the clinical outcomes in normalovulatory women undergoing COH with PPOS. A total of 180 patients were allocated into three groups according to the gonadotropin (Gn) used: group A (human menopausal gonadotropin, hMG-A), group B (hMG-B) or group C (follicle stimulating hormone, FSH)...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29142445/a-study-of-controlled-ovarian-stimulation-with-clomiphene-citrate-or-letrozole-in-combination-with-gonadotropins-and-iui-in-unexplained-infertility
#14
Madhusmita Hembram, Ratna Biswas, Anju Jain
Aim: To compare the effect of clomiphene citrate (CC) + human menopausal gonadotropin (hMG) with letrozole + hMG on size, number of follicles, endometrial thickness, serum levels of oestradiol and progesterone and pregnancy rate. Settings and Design: Non-randomised interventional study. Patients and Methods: A total number of 60 patients in the age group of 20-35 years with unexplained infertility were divided into two groups, 30 in each. Group A received CC + hMG and group B received letrozole + hMG...
July 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29134715/relationship-between-follicular-volume-and-oocyte-competence-blastocyst-development-and-live-birth-rate-optimal-follicle-size-for-oocyte-retrieval
#15
Barbara Wirleitner, Jasmin Okhowat, Lucie Vištejnová, Milena Králíčková, Marie Karlíková, Pierre Vanderzwalmen, Fabien Ectors, Libor Hradecký, Maximilian Schuff, Maximilian Murtinger
OBJECTIVES: To analyse the oocyte competence in GnRHa stimulation cycles with regard to maturity, fertilization and blastocyst rate and clinical outcome (pregnancy and live birth rate) in correlation to follicular volume measured by 3D sonography and follicular fluid composition. METHODS: This was a prospective single-centre study conducted in the period June 2012 - June 2014 including 118 ovum pick-ups (OPUs) with subsequent embryo transfers (ET). Out of 1,493 aspirated follicles we analysed 1,236 follicles and traced oocytes grouped according to follicular volume...
November 14, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29132339/sequential-e2-levels-not-ovarian-maximal-diameter-estimates-were-correlated-with-outcome-of-cetrotide-therapy-for-management-of-women-at-high-risk-of-ovarian-hyperstimulation-syndrome-a-randomized-controlled-study
#16
Khalid M Salama, Hesham M Abo Ragab, Mohammed F El Sherbiny, Ali A Morsi, Ibrahim I Souidan
BACKGROUND: Ovarian hyperstimulation syndrome (OHSS) is an important condition with considerable morbidity and a small risk of mortality and most commonly results as an iatrogenic condition following follicular stimulation of the ovaries. We aimed to evaluate safety and efficacy of 3-day cetrotide therapy started on day of oocyte retrieval (Day-0) in women at high-risk for development of ovarian hyperstimulation syndrome (OHSS) after GnRH agonist induction protocol. METHODS: Forty-eight women fulfilling inclusion criteria underwent ultrasound scanning for maximal ovarian diameter (MOD) estimation and ascites grading...
November 13, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/29129407/finding-a-place-for-corifollitropin-within-the-pivet-fsh-dosing-algorithms
#17
John L Yovich, Kevin N Keane, Gayatri Borude, Satvinder S Dhaliwal, Peter M Hinchliffe
PIVET recombinant FSH (rFSH) dosing algorithms have been designed for rFSH injection pens, providing optimal pregnancy and live birth productivity rates whilst minimizing risk and occurrence of ovarian hyperstimulation syndrome (OHSS). Recently, long-acting recombinant gonadotrophin corifollitropin (Elonva) was approved for use in assisted reproduction, and welcomed by patients as the single injection allowed ovarian stimulation over 7 days without need for multiple injections. Consequently, another rFSH dosing algorithm was devised to incorporate Elonva, and these cycles were compared to standard rFSH agents, Gonal-f and Puregon...
October 31, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29120551/current-medical-strategies-in-the-prevention-of-ovarian-hyperstimulation-syndrome
#18
Miro Kasum, Slavko Orešković, Daniela Franulić, Ermin Čehić, Albert Lila, Goran Vujić, Franjo Grgić
The purpose of this review is to analyze current medical strategies in the prevention of ovarian hyperstimulation syndrome (OHSS) during ovarian stimulation for in vitro fertilization. Owing to contemporary preventive measures of OHSS, the incidence of moderate and severe forms of the syndrome varies between 0.18% and 1.40%. Although none of medical strategies is completely effective, there is high-quality evidence that replacing human chorionic gonadotropin (hCG) by gonadotropin-releasing hormone (GnRH) agonists after GnRH antagonists and moderate- quality evidence that GnRH antagonist protocols, dopamine agonists and mild protocols reduce the occurrence of OHSS...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29111311/establishment-and-validation-of-a-score-to-predict-ovarian-response-to-stimulation-in-ivf
#19
Clelia Chalumeau, Jessika Moreau, Nicolas Gatimel, Clementine Cohade, Florence Lesourd, Jean Parinaud, Roger Leandri
This study aimed to integrate clinical and biological parameters in a score able to predict ovarian response to stimulation for IVF in gonadotrophin-releasing hormone (GnRH) antagonist protocols. A progressive discriminant analysis to establish a score including the main clinical and biological parameters predicting ovarian response was performed by retrospectively analysing data from the first ovarian stimulation cycle of 494 patients. The score was validated in a prospectively enrolled, independent set of 257 patients undergoing their first ovarian stimulation cycle...
October 12, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29110260/disparities-in-reproductive-outcomes-according-to-the-endometrial-preparation-protocol-in-frozen-embryo-transfer-the-risk-of-early-pregnancy-loss-in-frozen-embryo-transfer-cycles
#20
I Hatoum, L Bellon, N Swierkowski, M Ouazana, S Bouba, K Fathallah, B Paillusson, M Bailly, F Boitrelle, L Alter, M Bergère, J Selva, R Wainer
PURPOSE: The purpose of this study was to determine the effect of stimulated and artificial endometrial preparation protocols on reproductive outcomes in frozen embryo transfer (FET) cycles. METHODS: We performed a retrospective study of 1926 FET cycles over a 3.5-year period in the Fertility Unit at a University Hospital. Stimulated and artificial protocols were used for endometrial preparation. The embryos for FET were obtained from either in vitro fertilization or intracytoplasmic sperm injection cycles...
November 6, 2017: Journal of Assisted Reproduction and Genetics
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