system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Risk factors of pulmonary embolisma) 30 yrs female on OCP' sb) Pregnancyc) Leg paralysisd) 50 yrs person with uncomplicated cholecystectomye) Bechet's disease
assistant
The correct answer is  None