Ultrasonographic examination was performed in 20 cases with suspected ectopic pregnancy.15 cases were diagnosed as extrauterine pregnancy and diagnosis was confirmed at laparotomy.3 cases were false negative by ultrasound examination but confirmed by laparoscopy and laparotomy.2 cases were false positive but confirmed by laparoscopy as intrauterine pregnancy in a bicornuate uterus in the first case and early missed abortion associated with a very small ovarian cyst in the second case. The overall diagnostic accuracy was 75 percent. The diagnostic criteria in ectopic pregnancy were: uterine decidual reaction, extra uterine gestation sac or fetus, free fluid in Douglas pouch and complex adnexal mass