Key: C.In premenopausal women, the best time for breast self-examination is seven days after the start of menstruation when breasts are least congested.
Key: C.In premenopausal women, the best time for breast self-examination is seven days after the start of menstruation when breasts are least congested.
答案：C．对于绝经前妇女，乳腺检查最佳时期是在月经后7天，此时乳房充血程度最低。