Table 1.

Summary of inclusion and exclusion criteria

	Inclusion criteria	Exclusion criteria
Population	Pre- and postmenopausal adult females scheduled for hysteroscopy	Pregnant patients Patients unable to tolerate TVS
Intervention	Transvaginal ultrasound (TVS)	Transabdominal ultrasound
Outcome	All relevant clinical outcomes Description of ultrasound features Diagnosis confirmed histopathologically Sensitivity Specificity	Diagnosis not confirmed No histopathological correlation
Study design	Observational studies Prospective Retrospective	Clinical trials Case reports
Other	From peer-reviewed journals	Non-English papers Journals more than 15 years old