Female body undergoes numerous anatomical and physiological changes in pregnancy which make diagnosis and management of acute abdomen in pregnancy as a most challenging situation. This may lead to dilemma and delayed identification of spectrum of causes of acute abdomen in pregnancy ultimately resulting in maternal and foetal morbidity and mortality. This case was to identify the spectrum of causes, the clinical presentation and diagnostic dilemma of acute abdomen in pregnancy. We presented one of the unusual and rare cause of acute abdomen with hemoperitoneum. Patient underwent emergency laparotomy with peritoneal wash with no obvious bleeding cause but evidence pointing towards vascular tumour or sub-serosal fibroid. The diagnosis remaine...