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BACKGROUND Women with polycystic ovary syndrome (PCOS) are at risk of developing ovarian hyperstimulation syndrome (OHSS) during ovarian stimulation. Use of GnRH antagonist in the general subfertile population is associated with lower incidence of OHSS than agonists and similar probability of live birth but it is unclear if this is true for patients with(More)
BACKGROUND The purpose of the study was to assess ongoing pregnancy rates across groups of patients treated by IVF, which were defined according to criteria aimed at the prevention of premature LH surge and used for initiating GnRH antagonist. METHODS This is a prospective observational cohort study. During the last 3 years, in IVF-ICSI patients(More)
BACKGROUND The optimal time for GnRH antagonist initiation is still debatable. The purpose of the current randomized controlled trial is to provide endocrine and follicular data during ovarian stimulation for IVF in patients with polycystic ovarian syndrome (PCOS) treated either with a long GnRH agonist scheme or a fixed day-1 GnRH antagonist protocol.(More)
BACKGROUND Management of established severe OHSS requires prolonged hospitalization, occasionally in intensive care units, accompanied by multiple ascites punctures, correction of intravascular fluid volume and electrolyte imbalance. The aim of the present study was to evaluate whether it is feasible to manage women with severe OHSS as outpatients by(More)
BACKGROUND Although initial studies in poor responders using GnRH antagonists have reported encouraging results, they are limited in number, only a few of them are prospective, while the majority is characterized by limited power to detect a clinically important difference. METHODS A randomized controlled trial was performed in patients with one or more(More)
Several approaches have been proposed for the management of OHSS that reduce, but do not completely eliminate the incidence of human chorionic gonadotrophin (HCG)-induced early severe OHSS. Three women diagnosed with polycystic ovarian syndrome underwent ovarian stimulation for IVF using a gonadotrophin-releasing hormone (GnRH) antagonist protocol. Three(More)
CONTEXT Metabolomics was introduced in human in vitro fertilization (IVF) for noninvasive identification of viable embryos with the highest developmental competence. AIMS To determine whether embryo selection using a commercial version of metabolomic analysis leads to increased implantation rates (IRs) with fetal cardiac activity (FCA) compared with(More)
Despite the fact that many methods have been proposed for the management of severe ovarian hyperstimulation syndrome (OHSS), its prevention is mainly achieved by withholding human chorionic gonadotrophin (HCG) administration and cycle cancellation. Currently no curative therapy is available. Three women diagnosed with polycystic ovarian syndrome underwent(More)
Ovarian hyperstimulation syndrome (OHSS) is a serious complication of ovarian stimulation protocols. Currently, no curative therapy exists and the main preventive option is cycle cancellation. Gonadotrophin-releasing hormone (GnRH) antagonist administration in the luteal phase was recently proposed as a new approach for the management of patients with(More)
STUDY QUESTION Do high-risk patients who develop severe early ovarian hyperstimulation syndrome (OHSS) and receive low-dose GnRH antagonist in the luteal phase have lower live birth rates compared with high-risk patients who do not develop severe early OHSS and do not receive GnRH antagonist in the luteal phase? SUMMARY ANSWER Low-dose luteal GnRH(More)