<prompt> Uterine bleeding at 12 weeks gestation without any cervical dilationis an indicative ofIncomplete abortionThreatened abortionMissed abortionInevitable abortion  <response>: Bleeding occurs in about 30 to 40of human gestations before 20 weeks of pregnancy, with about half of these pregnancies ending in spontaneous abortion.A threatened abortion takes place when this uterine bleeding occurs without any cervical dilation or effacement 