Alvorlig ovariehyperstimulationssyndrom kan i sjældne tilfælde kompliceres af hæmoperitonium, akut pulmonelt besvær, ovarie torsion og tromboembolisme.
Severe ovarian hyperstimulation syndrome could be complicated in rare cases by haemoperitoneum, acute pulmonary distress, ovarian torsion, and thromboembolism.