Signs of genital herpes
tend to develop within three to seven days of skin-to-skin contact with an infected person.
Genital herpes infections look like small blisters or ulcers (round areas of broken skin) on the genitals. Each blister or ulcer is typically only 1 to 3 millimeters (1/32 inch to 1/8th inch) in size, and the blisters or ulcers tend to be grouped into "crops.".