Device for both<unk>  and abdominal<unk> .<unk>  is a medical<unk>  that applies an ultrasound transducer (or "probe") in the<unk> to visualize organs within the pelvic cavity. It is also called transvaginal<unk>  because the ultrasound waves go across the<unk>  wall to study tissues beyond it.
Vaginal ultrasonography
Rectovaginal examination
Obstetric ultrasonography
Postcoital test
Vaginal wet mount
Pelvic examination
Hysterosalpingography
Vaginal photoplethysmograph