3 The incidence of significant Ovarian Hyperstimulation Syndrome in the IVF program is 1 to 5% of all patients.The majority of patients with even quite severe levels of Ovarian Hyperstimulation Syndrome get better within 7 to 10 days.
7 Symptoms and signs of OHSS Lower abdominal pain associated with swollen ovariesIncreasing abdominal distension (swelling) due to collection of fluid in the abdomenNausea, vomiting and diarrheaFluid collections in the base of the lungs in severed cases causing shortness of breathIncreased coagulation of the blood potentially causing clots in the veins in severe casesSignificant fluid and electrolyte imbalance in the bodyDehydration in severe cases
12 Complications of Ovarian Hyperstimulation Syndrome OHSS can result in serious health complications. Severe cases of OHSS are rare, but they have been known to lead to permanent injury and even death. Possible complications include:· twisting of the swollen ovaries· collection of fluid in the stomach and lungs· loss of kidney and liver function· blood clots (which may lead to stroke)