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
The Standard Days Method (SDM) advices on avoiding unprotected sexual intercourse:
assistant
The correct answer is  Standard days method: It is for the women having their cycle lengths between 26-31 days. Have their feile days between 8 to 19 days of cycle. Hence, SDM advices on avoiding unprotected sexual intercourse during these days of menstrual cycle.