Transvaginal Ultrasound in Early Normal Pregnancy

Chudleigh P. Pearce JM. Obstetric Ultrasound. Early Pregnancy. 1992: p 44–53.

Dewbury K Meire H Cosgrove D. Ultrasound in Obstetrics & Gynaecology. The First Trimester — Transvaginal Ultrasound. 1993: p 173–178.

Daya S Woods S Ward S — Early Pregnancy Assessment with Transvaginal Ultrasound Scanning CMAJ 1991 144 (4): 441–446.

Keith S C London SN Weitzman GA — Serial Transvaginal Ultrasound Scans and beta-human chorionic gonadotropin levels in early singleton and multiple pregnancies. Fertility and Sterility 1993 59 (5): 1007–1010.

Fleischer AC Romero R. Manning F.A. The Principles and Practice of Ultrasonography in Obstetrics and Gynaecology. Sonography in Early Intrauterine Pregnancy Emphasizing Transvaginal Scanning. 1991 P39–46.

European Committee for Ultrasound Radiation Safety — The Watchdogs. Transvaginal Ultrasonography — Safety Aspects EUR. J. Ultrasound 1994 1 1355–1357.

American Institute of Ultrasound in Medicine . Ultrasound Practice Committee Report for Cleaning and Preparing Endocavitary Ultrasound Transducers Between Patients 1995.

Royal College of Radiologists . Intimate Examinations. RCR 1998.

Royal College of Radiologists . Guidance on Consent by Patients for Examination or Treatment in Departments of Clinical Radiology. RCR 1999.

Clinical Safety Statement for Diagnostic Ultrasound EFSUMB 1996.