People who are pregnant or have a condition of the reproductive system may need one. A transvaginal ultrasound is similar to an abdominal ultrasound in that they both use high-frequency sound ...

Transabdominal Ultrasound: This is the most common type, where the transducer is moved across the mother's abdomen. Transvaginal Ultrasound: Used in early pregnancy or when a more detailed image ...

Gracia and Barnhart [6] compared different methods of diagnosing ectopic pregnancy using combinations of transvaginal ultrasound plus biochemistry (serum progesterone and serum beta-hCG ...