Sexually transmitted infection characterized by painful genital ulcers and lymph nodes:

Ans. B. ChancroidSexually transmitted infectionsInfection/featureIncubation periodGenital ulcerLymphadenopathySyphilis9-90 daysPainless, indurated, SinglePainless, moderateHerpes2-7 daysMultiple, painfulAbsent/Moderate swellingChancroid1-14 daysPainful, soft, single/multiplePainful, soft, single/multiple marked swelling (Bubo)LGV3 days-6 weeksPainlessPainfulDonovanosis1-4 weeks (mat be up to 6 monthsPainless beefy red ulcerAbsent(subcutaneous swelling may look like pseudo bubo)