Ovarian vein thrombosis is a rare pathology, which can be encountered postpartum or postabortum. Its severity is linked to the risk of extension to the vena cava and therefore to the resulting risk of pulmonary embolism. Its diagnosis remains difficult due to the existence of misleading signs, but is currently facilitated by new imaging data: ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI). The treatment is mainly medical, combining heparin therapy and antibiotic therapy, surgery being reserved for complicated forms. We report a case of postpartum ovarian thrombosis at the Suissi maternity hospital in Rabat in a woman with a sparkling picture of appendicitis.