A total of 1083 patients underwent diagnostic hysteroscopy in the course of infertility investigation. Patients were divided into three groups: Group I, 669 patients with primary infertility, of which 470 were below 35 years old and 195 above, Group II, 414 patients with secondary infertility (198 and 216 respectively) and Group III, 114 patients who had undergone at least two unsuccessful embryo-transfers in the course of IVF trials. Hysteroscopy was performed without anaesthesia with 3.5 mm rigid hysteroscope using the vaginoscopic approach, except in cases in which hysteroscopy was combined with diagnostic laparoscopy.The results of the hysteroscopic findings in the three Groups are described and analyzed according to the findings of the hysterosalpingography (HSG) and the age of the patients. In Group HI, 59 patients (51.8%) were found with abnormal findings. Diagnostic hysteroscopy consists an essential part of the basic infertility workup. It is indicated in all cases with abnormal HSG, in women aged above 35 years old and in patients with at least two unsuccessful transfers of good quality embryos.
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