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Papers by Mohamed Eid
Fertility and Sterility, 2009
Objective: To evaluate the outcome of long letrozole therapy for induction of ovulation in patien... more Objective: To evaluate the outcome of long letrozole therapy for induction of ovulation in patients with clomiphene-resistant polycystic ovary syndrome (PCOS). Design: Prospective randomized controlled study. Setting: University teaching hospital and a private practice. Patient(s): The study comprised 218 patients with clomiphene-resistant PCOS. Intervention(s): Patients were randomly allocated to treatment with either long letrozole therapy (n ¼ 108; 219 cycles) or short letrozole therapy (n ¼ 110; 225 cycles). Main Outcome Measure(s): Number of growing and mature follicles, serum E 2 (pg/mL), serum P (ng/mL), endometrial thickness, occurrence of pregnancy and miscarriage. Result(s): The number of ovulating patients was greater in the long letrozole group (65.7% vs. 61.8%), but without statistical differences. The total numbersof follicles during stimulation was significantly greater in the long letrozole group (6.7 AE 0.3 vs. 3.9 AE 0.4). The numbers of follicles R14 mm and R18 mm were significantly greater in the long letrozole group. There was no significant difference in the pretreatment endometrial thickness or endometrial thickness at the time of hCG administration between the two groups. Pregnancy occurred in 28 of 225 cycles in the short group (12.4%) and 38 of 219 cycles (17.4%) in the long letrozole group, and the difference was statistically significant. Conclusion(s): The long letrozole protocol (10 days) can produce more mature follicles and subsequently more pregnancies than the short letrozole thrapy (5 days).
Fertility and Sterility, 2009
Objective: To evaluate the outcome of long letrozole therapy for induction of ovulation in patien... more Objective: To evaluate the outcome of long letrozole therapy for induction of ovulation in patients with clomiphene-resistant polycystic ovary syndrome (PCOS). Design: Prospective randomized controlled study. Setting: University teaching hospital and a private practice. Patient(s): The study comprised 218 patients with clomiphene-resistant PCOS. Intervention(s): Patients were randomly allocated to treatment with either long letrozole therapy (n ¼ 108; 219 cycles) or short letrozole therapy (n ¼ 110; 225 cycles). Main Outcome Measure(s): Number of growing and mature follicles, serum E 2 (pg/mL), serum P (ng/mL), endometrial thickness, occurrence of pregnancy and miscarriage. Result(s): The number of ovulating patients was greater in the long letrozole group (65.7% vs. 61.8%), but without statistical differences. The total numbersof follicles during stimulation was significantly greater in the long letrozole group (6.7 AE 0.3 vs. 3.9 AE 0.4). The numbers of follicles R14 mm and R18 mm were significantly greater in the long letrozole group. There was no significant difference in the pretreatment endometrial thickness or endometrial thickness at the time of hCG administration between the two groups. Pregnancy occurred in 28 of 225 cycles in the short group (12.4%) and 38 of 219 cycles (17.4%) in the long letrozole group, and the difference was statistically significant. Conclusion(s): The long letrozole protocol (10 days) can produce more mature follicles and subsequently more pregnancies than the short letrozole thrapy (5 days).