Ectopic pregnancy, characteristic finding in USG is -
Absence of gestational sac in uterus
Complex adnexal mass
Resistance in colored Doppler
Free fluid in peritoneal cavity
"The Presence of a non - ovarian complex adnexal mass is the most sensitive and specific USG finding for ectopic pregnancy".
—USG in radiology
"The presence of a fetal heart beat outside the uterine cavity is pathognomonic for an ectopic pregnancy".
—USG in radiology