Background: Clomiphen citrate (CC) is the first line therapy for women with infertility and poly cystic ovary syndrome( PCOS).However, 20-25% of women are resistant to CC and do not ovulate. The Background of this study is to evaluate the efficacy of sequential treatment of metformin and incremental doses of letrozole in induction of ovulation in cases of clomiphen citrateresistant (CC- R) PCOS...

BACKGROUND Clomiphen citrate (CC) is the first line therapy for women with infertility and poly cystic ovary syndrome( PCOS). However, 20-25% of women are resistant to CC and do not ovulate. OBJECTIVE The objective of this study was to evaluate the efficacy of sequential treatment of metformin and incremental doses of letrozole in induction of ovulation in cases of CC-resistant PCOS patients....

BACKGROUND Controlled ovarian hyperstimulation and intrauterine insemination (IUI) cycle is an ideal protocol for some subfertile patients. So, we decided to try this therapeutic protocol for the patients with unilateral tubal blockage diagnosed by hysterosalpingography (HSG). OBJECTIVE To evaluate the effect of unilateral tubal blockage diagnosed by HSG on cumulative pregnancy rate (CPR) of ...

background: the objective of this prospective randomized study was to make a comparison between the effects of letrozole and tamoxifen (tmx) in ovulation induction in clomiphene (cc)-resistant women with polycystic ovarian syndrome (pcos). methods: the study comprised a total of 60 infertile women (180 cycles) with cc-resistant pcos selected from the clinics affiliated to the department of obst...

background:   objective: to evaluate the effect of unilateral tubal blockage diagnosed by hsg on cumulative pregnancy rate (cpr) of the stimulated iui cycles.   materials and methods: a cross-sectional analysis was performed between october 2006 and october 2009 in an academic reproductive endocrinology and infertility center. two groups of patients undergoing stimulated iui cycles were compare...