Problem statement:To compare the effects of both abdominal and laparoscopic diathermy (PCOS) on the ovulatory process. Design: Prospective study. Setting: Tikrit Teaching Hospital, Iraq. Approach: A total of 40 infertile patients, these patients were divided into two groups, each group of 20 patients. The first group was undergoing abdominal diathermy; while the second group undergoing laparoscopic diathermy. The ovulatory response were assessed by both LH and testosterone levels. Results: After Diathermy, there were significant effects on regularity of menses: 25% in first group had regular cycle and in second group 60% had regular cycle. Decrease in LH and testosterone Level after surgery were significantly different in both groups: 35% in first group and 70% in second group. Conclusion: Laparoscopic diathermy showed higher rates of regular resumption of menses and decrease in LH and testosterone level than abdominal diathermy.

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