نتایج جستجو برای: hcg triggering
تعداد نتایج: 28371 فیلتر نتایج به سال:
Ovarian hyperstimulation syndrome (OHSS) is one of the major complications in artificial reproductive technology, especially in high responders. Exogenous human chorionic gonadotropin (hCG) for triggering final oocyte maturation during controlled ovarian stimulation (COS) is primarily responsible for the pathogenesis of early-onset OHSS. Several strategies were offered to prevent OHSS, includin...
Decreasing the dose of human chorionic gonadotropin (hCG) used to trigger final oocyte maturation in assisted reproductive technology programs is regarded as a useful intervention in the prevention of ovarian hyperstimulation syndrome, but the minimal effective dose has not been yet identified. In this study, the capacity of a reduced dose of recombinant hCG (r-hCG) to provide adequate oocyte m...
Aim Outside of Japan, recombinant-human chorionic gonadotropin (r-hCG) is widely used for the induction of final follicular maturation and early luteinization in women undergoing ovulation induction; whereas in Japan, urine-derived hCG (u-hCG) is predominantly used. The primary objective of this study was to demonstrate the non-inferiority of r-hCG to u-hCG for ovulation induction, as assessed ...
STUDY QUESTION Do differences in endometrial gene expression exist after ovarian stimulation with four different regimens of triggering final oocyte maturation and luteal phase support in the same patient? SUMMARY ANSWER Significant differences in the expression of genes involved in receptivity and early implantation were seen between the four protocols. WHAT IS KNOWN ALREADY GnRH agonist t...
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 e...
Recently GnRH antagonist protocols for the prevention of a premature LH surge were introduced, allowing final oocyte maturation to be triggered with a single bolus of a GnRH agonist (GnRHa). GnRHa is as effective as hCG for the induction of ovulation, and apart from the LH surge a FSH surge is also induced. Until recently, prospective randomized studies reported a poor clinical outcome when GnR...
The aim of this study is to compare clinical pregnancy rates in ICSI-ET cycles where GnRH agonist or hCG was used to induce final maturation of the oocytes. A total of 97 women who produced more than 14 follicles following ovulation induction with recombinant FSH and GnRH antagonist were selected for randomization. Human chorionic gonadotropin (hCG, 5.000 IU, IM) or GnRH agonist (triptorelin 0....
OBJECTIVE To investigate outcomes of stimulated IVF cycles in which GnRH antagonist was omitted on the ovulation triggering day. METHODS A total of 86 women who underwent controlled ovarian hyperstimulation with recombinant FSH and GnRH antagonist flexible multiple-dose protocols were recruited and prospectively randomized into the conventional group (group A) or cessation group (group B). Th...
BACKGROUND Conventional luteal support packages are inadequate to facilitate a fresh transfer after GnRH agonist (GnRHa) trigger in patients at high risk of developing ovarian hyperstimulation syndrome (OHSS). By providing intensive luteal-phase support with oestradiol and progesterone satisfactory implantation rates can be sustained. The objective of this study was to assess the live-birth rat...
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