- Transvaginal ultrasound detection of multifollicular ovaries in non-hirsute ovulatory women. Phy, J., Foong, S., Session, D., Thornhill, A., Tummon, I., Dumesic, D. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. (2004)