Gynaecology & Obstetrics True about chancroid is A Incubation period is 3 to 10 weeks. B Characterised typically by prodromal symptoms and systemic reaction. C Painful ulcer with irregular erythematous non-indurated margins. D Ulcer base is hard, indurated. 💡 Explanation True about chancroid is ✓ Correct Answer: C. Painful ulcer with irregular erythematous non-indurated margins.