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- Potential life-threatening complication
- Occurs during luteal phase or early pregnancy following IVF ovarian stimulation
- Caused by vasoactive substances that increase vascular permeability, ascitic fluid shift into abdomen
- Abdominal distension, nausea, vomiting, weight gain
- Pleural effusion, intravascular fluid depletion, hemoconcentration, thromboses, renal failure, shock
Imaging
- USG – technique of choice
- Bilateral symmetrical enlarged ovaries (≥6 cm)
- Multiple peripheral-placed thin walled cysts/follicles
- Enlarged ovaries can prolapse out of pelvis into iliac fossa
- Normal uterine position
- Echogenic stroma from edema and hemorrhage
- Free peritoneal fluid/ascites or pleural effusion
- Normal or increased vascularity on Doppler