Diagnosis of ectopic pregnancy by ultrasound in Siriraj Hospital

The study of the diagnosis of ectopic pregnancy was carried out during the whole year of 1988 in the Department of Obstetrics & Gynaecology, Siriraj Hospital, in order to find out the characteristics of ultrasonographic findings by using real time ultrasound. Real time ultrasound examination was carried out on 121 patients with suspicion of ectopic pregnancy. The final diagnosis among these patients was ectopic pregnancy, ruptured corpus luteum, ruptured appendicitis, normal pregnancy, abortion, adnexal mass and no gynecologic abnormality encountered in 21 (17.35%), 3 (2.48%), 1 (0.83%), 27 (22.31%), 4 (3.3%), 43 (35.54%) and 22 (18.18%) respectively. Of 21 patients with ectopic pregnancy 17 (80.95%) cases were between 15-30 years of age with the gestational age ranging from 6 to 12 weeks in 16 patients (76.19%). The majority of the patients 18 (85.7%) were para 0-3. The ultrasonographic findings were pelvic mass and fluid in the cul de sac, pelvic mass and fluid in the cul de sac, pelvic mass only and the presence of free fluid alone encountered in 17 (80.95%), 3 (14.28%) and 1 (4.76%) cases respectively.