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Minimal ovarian stimulation

Javier Domingo, Juan A Garcia-Velasco
PURPOSE OF REVIEW: It is necessary to clarify the fertility preservation-related points of concern that often frighten patients or physicians when it comes to deciding about oocyte cryopreservation for fertility preservation, which are often perceived as procedure limitations, are sometimes real and often theoretical and may make the prognosis worse. RECENT FINDINGS: Letrozole added to gonadotrophins for controlled ovarian stimulation is safe when applied to hormone-sensitive cancer patients as it avoids associated high estradiol levels...
September 28, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
Bülent Haydardedeoğlu, Esra Bulgan Kılıçdağ
OBJECTIVE: Corifollitropin alfa is a good choice for assisted reproductive technology (ART) cycles because fewer injections are needed than with other agents. In this retrospective cohort, we analyzed luteal injected half-dose depot gonadotropin hormone-releasing hormone (GnRH) agonist cycles in women who received corifollitropin alfa and those who underwent a conventional corifollitropin alfa cycle with a GnRH antagonist. MATERIAL AND METHODS: In this retrospective cohort, we analyzed luteal injected half-dose depot GnRH agonist cycles in women who received corifollitropin alfa and those who underwent a conventional corifollitropin alfa cycle with a GnRH antagonist at the Division of Reproductive Endocrinology and IVF Unit, Obstetrics and Gynecology Department, Başkent University School of Medicine, Adana, Turkey, from March 2014 to August 2015...
2016: Journal of the Turkish German Gynecological Association
John L Yovich, Birgit Alsbjerg, Jason L Conceicao, Peter M Hinchliffe, Kevin N Keane
The first PIVET algorithm for individualized recombinant follicle stimulating hormone (rFSH) dosing in in vitro fertilization, reported in 2012, was based on age and antral follicle count grading with adjustments for anti-Müllerian hormone level, body mass index, day-2 FSH, and smoking history. In 2007, it was enabled by the introduction of a metered rFSH pen allowing small dosage increments of ~8.3 IU per click. In 2011, a second rFSH pen was introduced allowing more precise dosages of 12.5 IU per click, and both pens with their individual algorithms have been applied continuously at our clinic...
2016: Drug Design, Development and Therapy
Gautam N Allahbadia
For women of advanced age with abnormally increased FSH levels, standardized hormonal stimulation often represents a cost-intensive procedure with a low success rate. It is well established now that with mild ovarian stimulation, there is a greater percentage of good-quality eggs (although a smaller number) than with higher-dose conventional stimulation. Mild stimulation protocols reduce the mean number of days of stimulation, the total amount of gonadotropins used and the mean number of oocytes retrieved. The proportion of high-quality and euploid embryos seems to be higher compared with conventional stimulation protocols, and the pregnancy rate per embryo transfer is comparable...
October 2016: Journal of Obstetrics and Gynaecology of India
John Zhang
Minimal stimulation in vitro fertilization (mini-IVF) consists of a gentle controlled ovarian stimulation that aims to produce a maximum of five to six oocytes. There is a misbelief that mini-IVF severely compromises pregnancy and live birth rates. An appraisal of the literature pertaining to studies on mini-IVF protocols was performed. The advantages of minimal stimulation protocols are reported here with a focus on the use of clomiphene citrate (CC), gonadotropin releasing hormone (GnRH) ago- nist trigger for oocyte maturation, and freeze-all embryo strategy...
July 2016: International Journal of Fertility & Sterility
Shamim Pilehvari, Ensieh ShahrokhTehraninejad, Batool Hosseinrashidi, Fatemeh Keikhah, Fedyeh Haghollahi, Elham Aziminekoo
OBJECTIVE: To compare the pregnancy outcomes achieved by in vitro fertilization (IVF) between minimal stimulation and conventional antagonist protocols in poor ovarian responders (PORs). MATERIALS AND METHODS: In this randomized controlled trial, 77 PORs undergoing IVF were selected and divided into two groups. First group was the minimal stimulation group (n = 42) receiving 100 mg/day clomiphene citrate on day 2of the cycle for 5 day that was followed by150IU/day human menopausal gonadotropin (hMG) on day 5 of the cycle...
March 2016: Journal of Family & Reproductive Health
G Brichant, A Audebert, M Nisolle
Minimal and mild endometriosis (stages I/II) is frequently identified in subfertile patients, especially in case of unexplained infertility. The impact of those lesions on fecundity is still debatted and they have been considered as paraphysiological by some experts. In addition, they are heterogenous with variable spread, biological activity, induced inflammation and, sometimes, the presence of associated mild adhesions. Stages I/II endometriosis are the most frequent endometriotic lesions encountered in subfertile women...
May 2016: Revue Médicale de Liège
Jaewang Lee, Hyun Sun Kong, Eun Jung Kim, Hye Won Youm, Jung Ryeol Lee, Chang Suk Suh, Seok Hyun Kim
STUDY QUESTION: What is the main cause of ovarian injury during cryopreservation and transplantation in mice: cryoinjury or ischemic injury? SUMMARY ANSWER: Post-transplantation ischemia is the main cause of ovarian injury during cryopreservation and transplantation for restoring ovarian function. WHAT IS KNOWN ALREADY: During cryopreservation and the transplantation of ovaries, cryoinjury and ischemic injury inevitably occur, which has a detrimental effect on ovarian quality and reserve...
August 2016: Human Reproduction
Mingjun Liu, Haitao Wang, Linjie Liu, Bin Wang, Guirong Sun
BACKGROUND: Cytokine fusion protein that modulates the immune response holds great potential for cancer immunotherapy. IL-2 is an effective treatment against advanced cancers. However, the therapeutic efficacy of IL-2 is limited by severe systemic toxicity. Several mutants recombinant IL-2 can increase antitumor activity and minimize systemic toxicity. Melittin is an attractive anticancer candidate because of its wide-spectrum lytic properties. We previously generated a bifunctional fusion protein melittin-MIL-2, composed of melittin and a mutant IL-2...
2016: Journal of Translational Medicine
Xavier Deffieux, Bertrand de Rochambeau, Gautier Chene, Tristan Gauthier, Samantha Huet, Géry Lamblin, Aubert Agostini, Maxime Marcelli, François Golfier
OBJECTIVE: The objective of the study was to draw up French College of Obstetrics and Gynecology (CNGOF) clinical practice guidelines based on the best available evidence concerning hysterectomy for benign disease. METHODS: Each recommendation for practice was allocated a grade, which depends on the level of evidence (clinical practice guidelines). RESULTS: Hysterectomy should be performed by a high-volume surgeon (>10 hysterectomy procedures per year) (gradeC)...
July 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Pawel M Bartlewski, Patricia Seaton, Maria Emilia Franco Oliveira, Rami T Kridli, Maciej Murawski, Tomasz Schwarz
Hormonal ovarian superstimulation has contributed to small ruminant reproduction around the world, impacting genetic improvement and zoosanitary programs, contributing to the conservation of endangered species, and supporting other related biotechnologies. Advanced knowledge surrounding the superovulatory treatments in sheep has resulted in enhanced control of influencing factors and improved the protocols currently used. However, in spite of minimization of some adverse factors, superovulatory responses in ewes still remain variable, preventing the more widespread use of superovulation in commercial embryo transfer programs and reproductive research in this species...
July 1, 2016: Theriogenology
Heng-Ju Chen, Yu-Hung Lin, Mei-Zen Huang, Kok-Min Seow, Lee-Wen Huang, Bih-Chwen Hsieh, Chii-Ruey Tzeng, Jiann-Loung Hwang
OBJECTIVE: The standard dose of depot gonadotropin releasing hormone agonist (GnRHa) may be too much to prevent premature luteinizing hormone (LH) surge in controlled ovarian stimulation (COS). The purpose of this study was to find out the minimal effective dose of Leuplin depot to prevent premature LH surge in patients undergoing intrauterine insemination (IUI). MATERIALS AND METHODS: From January 2006 to December 2007, unexplained infertile patients who were going to undergo IUI were recruited into the study...
April 2016: Taiwanese Journal of Obstetrics & Gynecology
V Arun Muthuvel, Manipriya Ravindran, Aravind Chander, Chandralekha Veluswamy
Numerous spontaneous pregnancies have been reported in renal transplant recipients; however, only a few pregnancies after the use of assisted reproductive techniques. The authors report a case of renal transplant recipient with secondary infertility who delivered a healthy baby without any complications. The report highlights the importance of minimal stimulation protocol during ovarian stimulation, single embryo transfer, and the need for multispecialty care for these patients. To the best of the authors' knowledge, the present report is the first such case from India and also the second in the world to report a blastocyst transfer among renal transplant recipients...
January 2016: Journal of Human Reproductive Sciences
T Yoldemir
Reduced maternal fertility is the consequence of depletion of follicles with maternal aging. In a 35-year-old woman, approximately 9.1% of the residual follicle pool disappears annually without entering into the growing stage, whereas, in a 45-year-old woman, this number triples. After the age of 35 years, the frequency of aneuploidies in oocytes increases sharply. Roughly 50-70% of mature oocytes from a 40-year-old woman have chromosomal abnormalities. The clinical pregnancy and implantation rates are lower in midlife women...
June 2016: Climacteric: the Journal of the International Menopause Society
Annie S Leung, Michael H Dahan
The treatment of minimal or mild endometriosis prior to non-in-vitro fertilization (IVF) assisted reproduction to improve pregnancy outcomes is controversial. Ovulation suppression may be offered to women who do not wish to conceive to suppress advancement of the disease. There is little evidence to suggest improvements in fertility associated ovarian suppression prior to non-IVF infertility treatments. The use of intrauterine insemination without ovulation induction offers little benefit, with low pregnancy rates in most studies...
December 2016: Minerva Ginecologica
Xiaoyong Li, Bo Shen, Qi Chen, Xiaohui Zhang, Yiqing Ye, Fengmei Wang, Xinmei Zhang
BACKGROUND: Luteinizing hormone-releasing hormone receptor (LHRHr) represents a promising therapeutic target for treating sex hormone-dependent tumors. We coupled cecropin B, an antimicrobial peptide, to LHRH', a form of LHRH modified at carboxyl-terminal residues 4-10, which binds to LHRHr without interfering with luteinizing hormone (LH) and follicle-stimulating hormone (FSH) secretion. This study aimed to assess the antitumor effects of cecropin B-LHRH' (CB-LHRH') in drug-resistant ovarian and endometrial cancers...
2016: BMC Cancer
Feng Liang, Xia Xu, Bing Liang
This study aimed to compare intraoperative indicators and postoperative efficacy between laparoscopy and open surgery managing benign ovarian tumors. A total of 180 patients with benign ovarian tumor were enrolled; 105 underwent laparoscopy (LA group) and 75 underwent open surgery (OS group). Postoperative parameters were recorded. Preoperative and postoperative serum follicle-stimulating hormone, luteinizing hormone, and estradiol (E2) levels were determined using a BHP9507 chemiluminescence analyzer. The preoperative and postoperative serum C-reactive protein (CRP) level was examined using a QuikRead go CRP analyzer...
March 8, 2016: American Journal of Therapeutics
Daniel Bodri, Takeshi Sugimoto, Jazmina Yao Serna, Satoshi Kawachiya, Ryutaro Kato, Tsunekazu Matsumoto
OBJECTIVE: To ascertain the rate of blastocyst collapse observed by time-lapse monitoring in a retrospective cohort of unselected infertile patients undergoing single blastocyst transfer and to determine its association with live birth. DESIGN: Blastocyst collapse and morphokinetic variables were scored according to previously published criteria. The association between blastocyst collapse and live birth was evaluated by a multivariate logistic regression analysis including morphokinetic variables and other confounders...
June 2016: Fertility and Sterility
Mohammed Khairy, Rima K Dhillon, Justin Chu, Madhurima Rajkhowa, Arri Coomarasamy
Sub-endometrial junctional zone peristalsis is increased by ovarian stimulation and traumatic embryo transfer, and is linked with decreased implantation and pregnancy rates in assisted reproduction treatments. Various agents have been used to inhibit uterine hyper-peristalsis at the time of embryo transfer with conflicting results. This systematic review aimed to identify if uterine relaxants administered in the peri-implantation period during assisted reproduction treatments could improve pregnancy outcomes through literature search with no language restrictions...
April 2016: Reproductive Biomedicine Online
Daniel Bodri, Satoshi Kawachiya, Takeshi Sugimoto, Jazmina Yao Serna, Ryutaro Kato, Tsunekazu Matsumoto
PURPOSE: The purpose of this study was to determine which morphokinetic variables are related to embryo gender in a cohort of consecutive live births obtained through single blastocyst transfer following mild ovarian stimulation. METHODS: Eighty-one live births (49 % of them females) from successfully treated, consecutive infertile patients (maternal age 36.9 ± 3.8 years, range 28-46) who underwent minimal ovarian stimulation, prolonged embryo culture in a time-lapse monitoring (TLM) incubator and elective single blastocyst transfers during 2012-2014...
May 2016: Journal of Assisted Reproduction and Genetics
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