Manifestation Painless hemorrhage 1. The most characteristic symptom 2. Time: late pregnancy(after the 28th week) and delivery 3. Characteristics: sudden, painless and profuse Cause of bleeding Mechanical separation of the placenta from its implantation site, either during the formation of the lower uterine segment, during effacement and dilatation of the cervix in labor. Placentitis. Rupture of the venous in the decidua basalisManifestation • Painless hemorrhage 1. The most characteristic symptom 2. Time: late pregnancy (after the 28th week) and delivery 3. Characteristics: sudden, painless and profuse 4. Cause of bleeding Mechanical separation of the placenta from its implantation site, either during the formation of the lower uterine segment, during effacement and dilatation of the cervix in labor. Placentitis. Rupture of the venous in the decidua basalis