- on the first day of the menstrual cycle.
- one week after the menstrual cycle.
- immediately after the menstrual cycle.
- on the first day of every month.
Number 3 is correct.
Rationale: Premenopausal women should conduct self-breast exams immediately after their menstrual cycle ends because this is the time the breasts are least tender. If a woman is prone to fibrocystic breast changes, they will be less pronounced immediately after menses.