Placenta percreta is a extremely rare but it is accompanied by serious complication of pregnancy and its prediction is very difficult. Since spontaneous uterine rupture during the first trimester is an obstetric emergency, though it is rare, it is crucial that proper management should be taken promptly in order to decrease maternal and fetal morbidity and motality. We present a case of the spontaneous rupture of the uterus in the 14th week of pregnancy with a brief review of the literatures.