Classification of OHSS

Question 1

Definition of Mild OHSS

Answer 1

• Abdominal bloating
• Mild abdominal pain
• Ovarian size usually

Question 2

Definition of Moderate OHSS

Answer 2

• Moderate abdominal pain
• Nausea ± vomiting
• Ultrasound evidence of ascites
• Ovarian size usually 8–12 cma

Question 3

Definition of Severe OHSS

Answer 3

• Clinical ascites (± hydrothorax)
• Oliguria ( 0.45
• Hyponatraemia (sodium 5 mmol/l)
• Hypoproteinaemia (serum albumin 12 cma

Question 4

Definition of Critical OHSS

Answer 4

• Tense ascites/large hydrothorax
• Haematocrit > 0.55
• White cell count > 25 000/ml
• Oliguria/anuria
• Thromboembolism
• Acute respiratory distress syndrome