INTRODUCTIONOne of the most frequent cause of spontaneous hemoperitoneum in women of reproductive age is ruptured corpus luteal cyst. The clinical presentation varies, ranging from complete absence of symptoms to excruciating pain in the abdomen as a result of peritoneal irritation.1While woman’s corpus luteum can rupture at any point during her reproductive years, younger women between the ages of 16 and 30 are more likely to experience it.2Depending on the symptoms and laboratory results, care of a ruptured corpus luteum may involve solely on observation or may require an immediate laparotomy or laparoscopy.3We present a case of ruptured corpus luteal cyst masquerading as torsion of ovarian or dermoid cyst and overseen by exploratory laparotomy.