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Mild ovarian stimulation

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https://www.readbyqxmd.com/read/28508683/effectiveness-of-mild-ovarian-stimulation-versus-gnrh-agonist-protocol-in-women-undergoing-assisted-reproductive-technology-a-meta-analysis
#1
Yuan Fan, Xiaowei Zhang, Zhidong Hao, Huanfei Ding, Quanyu Chen, Li Tian
OBJECTIVE: our meta-analysis was conducted to evaluate the effectiveness of the mild ovulation induction protocol using CC/gonadotropin/GnRH antagonist compared to the conventional GnRH agonist protocol in women undergoing ART. METHOD: Six electronic databases were searched from their date of establishment until August 2016. Outcomes in our analysis were calculated in terms of relative risk (RR) and weighted mean differences (WMD) and standard mean differences (SMD) with 95% confidence intervals (CI) using random effect models or fixed effect models...
May 16, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28398491/pregnancy-and-neonatal-outcomes-following-letrozole-use-in-frozen-thawed-single-embryo-transfer-cycles
#2
T Tatsumi, S C Jwa, A Kuwahara, M Irahara, T Kubota, H Saito
STUDY QUESTION: Are pregnancy and neonatal outcomes following letrozole use comparable with natural and HRT cycles in patients undergoing single frozen-thawed embryo transfer (FET)? SUMMARY ANSWER: Letrozole use was significantly associated with higher rates of clinical pregnancy, clinical pregnancy with fetal heart beat and live birth, and with a lower rate of miscarriage, compared with natural and HRT cycles. WHAT IS KNOWN ALREADY: Letrozole is the most commonly used aromatase inhibitor for mild ovarian stimulation in ART...
June 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28393358/effects-of-altered-photoperiod-and-temperature-on-expression-levels-of-gonadotrophin-subunit-mrnas-in-the-female-stinging-catfish-heteropneustes-fossilis
#3
A Acharjee, R Chaube, K P Joy
Differential effects of photoperiod and temperature on the temporal modulation of gonadotrophin subunit genes (glycoprotein α, gpα), follicle-stimulating hormone β (fshβ) and luteinizing hormone β (lhβ) expression were investigated in the stinging catfish Heteropneustes fossilis. Female H. fossilis were exposed to varying photoperiod and temperature conditions for 14 and 28 days in the early preparatory phase of the annual reproductive cycle. Gonadotrophin subunit gene expression, gonado-somatic index (IG ), ovarian histology and plasma steroid hormone levels were evaluated...
April 9, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28380434/inos-derived-nitric-oxide-promotes-glycolysis-by-inducing-pyruvate-kinase-m2-nuclear-translocation-in-ovarian-cancer
#4
Linlin Li, Lingqun Zhu, Bingtao Hao, Wenwen Gao, Qianli Wang, Keyi Li, Meng Wang, Mengqiu Huang, Zhengjun Liu, Qiaohong Yang, Xiqing Li, Zhuo Zhong, Wenhua Huang, Guanghui Xiao, Yang Xu, Kaitai Yao, Qiuzhen Liu
Aerobic glycolysis is essential for tumor growth and survival. Activation of multiple carcinogenic signals contributes to metabolism reprogramming during malignant transformation of cancer. Recently nitric oxide has been noted to promote glycolysis but the mechanism remains elusive. We report here the dual role of nitric oxide in glycolysis: low/physiological nitric oxide (≤ 100 nM) promotes glycolysis for ATP production, oxidative defense and cell proliferation of ovary cancer cells, whereas excess nitric oxide (≥ 500 nM) inhibits it...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28358705/mild-versus-conventional-ovarian-stimulation-for-poor-responders-undergoing-ivf-icsi
#5
Charalampos Siristatidis, George Salamalekis, Konstantinos Dafopoulos, George Basios, Paraskevi Vogiatzi, Nikolaos Papantoniou
BACKGROUND/AIM: Mild stimulation protocols have been implemented to be offered to subfertile patients who respond poorly to ovarian stimulation. We aimed to compare the efficacy of mild versus conventional gonadotropin-releasing hormone (GnRH)-agonist and antagonist protocols in poor responders undergoing in vitro fertilization/intra-cytoplasmic sperm injection (IVF/ICSI) cycles. PATIENTS AND METHODS: A total of 58 poorly-responding patients were divided into two groups: mild group (n=33), receiving clomiphene citrate 100 mg and 0...
March 2017: In Vivo
https://www.readbyqxmd.com/read/28333271/impact-of-thyroid-autoimmunity-in-euthyroid-women-on-live-birth-rate-after-iui
#6
D Unuane, B Velkeniers, B Bravenboer, P Drakopoulos, H Tournaye, J Parra, M De Brucker
STUDY QUESTION: Does thyroid autoimmunity (TAI) predict live birth rate in euthyroid women after one treatment cycle in IUI patients? SUMMARY ANSWER: TAI as such does not influence pregnancy outcome after IUI treatment. WHAT IS KNOWN ALREADY: The role of TAI on pregnancy outcome in the case of IVF/ICSI is largely debated in the literature. This is the first study to address this issue in the case of IUI. STUDY DESIGN, SIZE, DURATION: This was a retrospective cohort study...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333222/ivf-or-iui-as-first-line-treatment-in-unexplained-subfertility-the-conundrum-of-treatment-selection-markers
#7
R I Tjon-Kon-Fat, P Tajik, M H Zafarmand, A J Bensdorp, P M M Bossuyt, G J E Oosterhuis, R van Golde, S Repping, M D A Lambers, E Slappendel, D Perquin, M J Pelinck, J Gianotten, J W M Maas, M J C Eijkemans, F van der Veen, B W Mol, M van Wely
STUDY QUESTION: Are there treatment selection markers that could aid in identifying couples, with unexplained or mild male subfertility, who would have better chances of a healthy child with IVF with single embryo transfer (IVF-SET) than with IUI with ovarian stimulation (IUI-OS)? SUMMARY ANSWER: We did not find any treatment selection markers that were associated with better chances of a healthy child with IVF-SET instead of IUI-OS in couples with unexplained or mild male subfertility...
May 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28277113/mild-versus-conventional-antagonist-ovarian-stimulation-protocols-in-expected-normal-responders-undergoing-ivf-icsi-a-case-control-study
#8
Charalampos Siristatidis, Konstantinos Dafopoulos, Tereza Vrantza, George Salamalekis, George Basios, Paraskevi Vogiatzi, Vasileios Pergialiotis, Nikolaos Papantoniou
Mild controlled ovarian hyperstimulation (COH) protocols combining clomiphene citrate (CC) or letrozole with gonadotropins were introduced as an effective alternative of conventional COH in normal responders undergoing IVF/ICSI. In this case-control study, we compared 41 participants treated with a mild stimulation protocol receiving gonadotropins combined with either CC (n = 24) or letrozole (n = 17) with 71 subfertile participants with matching baseline characteristics, conforming with the same inclusion criteria and treated with a conventional antagonist protocol...
March 3, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28277111/inter-cycle-and-inter-observer-variability-of-the-antral-follicle-count-in-routine-clinical-practice
#9
Jessica Subirá, Jose Alberola-Rubio, María Jose Núñez, Alicia Marzal Escrivá, Antonio Pellicer, Vicente Montañana, César Díaz-García
Antral follicle count (AFC) is a reliable predictor of ovarian response to stimulation and its inter-cycle and inter-observer variability has been extensively studied on in vitro fertilization (IVF), mostly in highly selected populations within studies not originally designed for this purpose. In this retrospective cohort study, we assess the inter-cycle variation of AFC in a setting similar to that of the daily practice. We included only patients undergoing mild stimulation for intrauterine insemination (IUI)...
March 3, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28185934/corticosteroids-deeply-depress-the-in-vitro-steroidogenic-capacity-of-eurasian-perch-ovary-at-the-end-of-the-reproductive-cycle
#10
S N M Mandiki, S Milla, S Nkogo Robles, P Kestemont
Corticosteroids play positive or negative role in the reproductive mechanisms of many fish species but the physiological contexts relating to such biphasic actions are not well defined. In the present study we investigated to what extent corticosteroids (cortisol-Co, 11-deoxycorticosterone-DOC) hormones may interfere with the steroidogenic capacity of Eurasian perch ovarian tissues, and we tested whether the negative effects of corticosteroids may be mitigated by potential stimulating endocrine factors, namely insulin-like growth factor-1 (IGF), human chorionic gonadotropin (HCG) or thyroid hormones (Triidothyronine-T3, thyroxine-T4)...
February 7, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28169189/ovarian-stimulation-protocols-for-ivf-is-more-better-than-less
#11
REVIEW
Michael M Alper, Bart C Fauser
Conventional ovarian stimulation protocols for IVF are designed to achieve maximum oocyte yields. Conventional protocols, however, are associated with patient discomfort, increased risk of ovarian hyperstimulation syndrome and higher costs. In recent years, mild stimulation protocols have risen in popularity. These protocols typically use lower doses (≤150 IU/day), shorter duration of exogenous gonadotrophins, or both, compared with conventional protocols, with the goal of limiting the number of retrieved oocytes to less than eight...
April 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28137754/efficacy-and-safety-of-follitropin-alfa-lutropin-alfa-in-art-a-randomized-controlled-trial-in-poor-ovarian-responders
#12
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...
March 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28111738/interventions-for-the-prevention-of-ohss-in-art-cycles-an-overview-of-cochrane-reviews
#13
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/27901279/dopamine-agonists-for-preventing-ovarian-hyperstimulation-syndrome
#14
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...
November 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27836979/a-mild-ovarian-stimulation-strategy-in-women-with-poor-ovarian-reserve-undergoing-ivf-a-multicenter-randomized-non-inferiority-trial
#15
M A Youssef, M van Wely, H Al-Inany, T Madani, N Jahangiri, S Khodabakhshi, M Alhalabi, M Akhondi, S Ansaripour, R Tokhmechy, L Zarandi, A Rizk, M El-Mohamedy, E Shaeer, M Khattab, M H Mochtar, F van der Veen
STUDY QUESTION: In subfertile women with poor ovarian reserve undergoing IVF does a mild ovarian stimulation strategy lead to comparable ongoing pregnancy rates in comparison to a conventional ovarian stimulation strategy? SUMMARY ANSWER: A mild ovarian stimulation strategy in women with poor ovarian reserve undergoing IVF leads to similar ongoing pregnancy rates as a conventional ovarian stimulation strategy. WHAT IS KNOWN ALREADY: Women diagnosed with poor ovarian reserve are treated with a conventional ovarian stimulation strategy consisting of high-dose gonadotropins and pituitary downregulation with a long mid-luteal start GnRH-agonist protocol...
January 2017: Human Reproduction
https://www.readbyqxmd.com/read/27825533/no-need-for-luteal-phase-support-in-ivf-cycles-after-mild-stimulation-proof-of-concept-study
#16
Anna Pia Ferraretti, Paul Devroey, M Cristina Magli, Luca Gianaroli
This is a pilot study performed in a private IVF unit. The objective of the study was to investigate whether luteal support is required in IVF cycles after mild stimulation with clomiphene citrate and low FSH doses. The study included 15 patients with good prognosis (defined as ≤38 years old with normal ovarian reserve and normovulatory cycles, body mass index <29 kg/m(2), no previous cycles, no severe endometriosis, no history of recurrent miscarriage, no endocrine/autoimmune diseases and no surgical semen extraction from the partner) undergoing IVF with mild stimulation...
February 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/27821708/no-increased-risk-of-major-congenital-anomalies-or-adverse-pregnancy-or-neonatal-outcomes-following-letrozole-use-in-assisted-reproductive-technology
#17
T Tatsumi, S C Jwa, A Kuwahara, M Irahara, T Kubota, H Saito
STUDY QUESTION: Does letrozole use increase the risk of major congenital anomalies and adverse pregnancy and neonatal outcomes in fresh, single-embryo transfer? SUMMARY ANSWER: Letrozole significantly decreases the risk of miscarriage and does not increase the risk of major congenital anomalies or adverse pregnancy or neonatal outcomes compared with natural cycles in patients undergoing ART. WHAT IS KNOWN ALREADY: Letrozole is the most commonly used aromatase inhibitor for mild ovarian stimulation in ART...
January 2017: Human Reproduction
https://www.readbyqxmd.com/read/27803584/gonadotropin-releasing-hormone-agonist-trigger-is-a-better-alternative-than-human-chorionic-gonadotropin-in-pcos-undergoing-ivf-cycles-for-an-ohss-free-clinic-a-randomized-control-trial
#18
Deepika Krishna, Snehal Dhoble, Gautham Praneesh, Suvarna Rathore, Amit Upadhaya, Kamini Rao
OBJECTIVE: The objective of this study is to evaluate if gonadotropin-releasing hormone agonist (GnRHa) trigger is a better alternative to human chorionic gonadotropin (hCG) in polycystic ovary syndrome (PCOS) of Indian origin undergoing in vitro fertilization (IVF) cycles with GnRH antagonist for the prevention of ovarian hyperstimulation syndrome (OHSS). DESIGN: Prospective randomized control trial. SETTING: Tertiary care center. MATERIALS AND METHODS: A total of 227 patients diagnosed with PCOS, undergoing IVF in an antagonist protocol were recruited and randomly assigned into two groups: Group A (study group): GnRHa trigger 0...
July 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/27631333/childhood-acromegaly-due-to-x-linked-acrogigantism-long-term-follow-up
#19
Rebecca J Gordon, Jennifer Bell, Wendy K Chung, Raphael David, Sharon E Oberfield, Sharon L Wardlaw
PURPOSE: Acromegaly in infancy is extremely rare. We describe a 32 year old woman who presented at 6 months of age with isolated macrocephaly, followed by accelerated linear growth. At 21 months of age, her head circumference was 55 cm (+5.5 SD), height was 97.6 cm (+4.4 SD) and weight was 20.6 kg (+6.2 SD). She had markedly elevated levels of growth hormone (GH) (135 ng/ml), IGF-1 (1540 ng/ml) and prolactin (370 ng/ml). A pituitary macroadenoma was surgically resected. Immunohistochemical staining was positive for GH...
December 2016: Pituitary
https://www.readbyqxmd.com/read/27628955/in-vitro-fertilization-versus-mild-stimulation-intrauterine-insemination-in-women-aged-40-and-older
#20
Laurice Bou Nemer, Vanessa N Weitzman, Kristopher L Arheart, Marcelo J Barrionuevo, Daniel R Christie, Youssef Mouhayar, David I Hoffman, Wayne S Maxson, Steven J Ory
INTRODUCTION: The objective of this study was to compare clinical pregnancy rates (PRs) and pregnancy outcomes (POs) in patients undergoing in vitro fertilization (IVF) and a specific controlled ovarian hyperstimulation (mild-stimulation or mini-stim) and intrauterine insemination (IUI) protocol in women older than 40. METHODS: It is a retrospective chart review of 770 cycles of all women aged 40 and older who underwent a first cycle of either IVF or mini-stim IUI between the years 2007 and 2012 at a single infertility center...
September 14, 2016: Reproductive Sciences
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