“…Its incidence is approximately 1 in 30,000 natural gestations and 1% after assisted reproductive technology procedures (1,2). An ectopic pregnancy can implant lateral to the round ligament in the interstitial part of the fallopian tube (interstitial pregnancy), in the uterotubal junction, in the lateral angle of the uterine cavity, or in a rudimentary horn (3). As the uterine horn is abundantly vascularized through the branches of the uterine and ovaries arteries, a cornual pregnancy combined with an intrauterine pregnancy creates a high risk of rupture with sudden and excessive blood loss, and subsequent abortion of the intrauterine pregnancy.…”