Answer
OHSS is an excessive ovarian response that can cause enlarged ovaries, abdominal pain or swelling, nausea, fluid shifts and, in severe cases, breathing, urinary or clotting complications.
Sources for this answer
- Menopur 75IU Powder and solvent for solution for injection — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.