The dangers of unprotected sex. Emergency contraception can help prevent pregnancy after you have had unprotected sex. Melbourne Sexual Health Centre. Oil-based lubricants are associated with condom breakage and should not be used. Check here for alerts. Behavioural conditions. Ministry of Health and Population, Government of Nepal; However, the risk is increased if there are any cuts or sores in or around the mouth, genitals or anus. Hospitals, surgery and procedures. All sexual activity comes with risks excuse me while I crawl into a human-sized bubble in the fetal position. What happens after?