A discontinuity in the anterior wall of the uterus being
demonstrated on a sagittal view of the uterus when the direction of
the ultrasound beam runs through the amniotic sac [9]. These criteria
assist in distinguishing this type of pregnancy from other diagnostic
options, such as cervico-isthmic implantation, cervical pregnancy and
spontaneous abortion in progress [10]. Because of its rare occurrence,
no universal treatment guidelines have been established to date and
there is no consensus on the treatment of choice [10]. Still, it is widely
agreed that it would be more prudent to interrupt such pregnancies as
soon as a precise diagnosis has been made