Investigating the cause of sub-fertility or infertility Ensuring a normal uterine cavity before ivf Searching for a fibroid (or myoma) Searching for a uterine polyp(s) Investigating uterine adhesions Investigating a congenital uterine malformation, such as a partition Investigating recurrent miscarriages Investigating the cause of abnormal uterine bleeding Negation of endometrial cancer Diagnosis before giving hormone replacement therapy Assessment of hormone or antibiotic therapy Investigating a finding detected on uterine x-ray Investigating a finding detected by ultrasound Examination of a finding of thick endometrium Cases of cervical polyp(s) Before performing operative hysteroscopy