Background The purpose of this prospective randomized study was to compare ovarian response as well as oocytes embryo yields and pregnancy rates in women who underwent ovulation induction for intracytoplasmic sperm injection (ICSI) with recombinant human FSH (rFSH) alone or in combination with human menopausal gonadotropin (HMG). MaterialsAndMethods Out of 300 patients in assisted reproductive ...

abstract background: fertilization failure is one of the most problems in assisted reproduction technology (art). objective: the aim of this study was the evaluation of oocytes activation by addition of calcium ionophore in unfertilized oocytes in icsi cycles. materials and methods: this study was done on 15 icsi cycles (stimulated with standard long protocol). mature retrieved oocytes with nor...

The aim of all assisted reproductive techniques (ART) is a live birth of a single healthy baby. Many clinical and laboratory strategies can influence the ART clinical outcomes. In this lecture we try to explore the clinical and laboratory strategies to maximize success in ART. Three are the main issues: 1. optimize the number of oocyte retrieved with an individualized controlled ovarian superov...

Background: Administration of recombinant luteinizing hormone (rLH) in controlled ovarian hyperstimulation may benefit a subpopulation of patients. However, late follicular phase administration of high doses of rLH may also reduce the size of the follicular cohort and promote monofollicular development. Materials and Methods: To determine if rLH in late follicular development had a negative imp...

Background: The study was carried out to investigate the relationship between the development potential and the diameter of ovine oocytes. Materials and Methods: Ovaries collected from a local abattoir were transported to the laboratory within 1-3 h of slaughter. The oocytes from follicles (2-6 mm in diameter) were recovered by aspiration and stored in a preincubated (at 38.6 C, 5% CO2 and maxi...

objective: to evaluate the effect of cytoplasm transfer from mature oocytes to germinal vesicle(gv)s on promoting the maturation of cytoplasm of gv at the mrna level. materials and methods: sixty six in vitro fertilization (ivf) operations between june 2012 and november 2013 were included in this study. totally 120 gvs were obtained. normal gvs were categorized into 3 groups (n = 40) randomly: ...