This strategy may have more disadvantages than advantages. First of all, you spend a lot of time and energy worrying that your partner is going to get herpes. HSV-1 is also spread by oral sexual contact and causes genital herpes. Women who get infected for the first time close to the time of delivery are particularly likely to pass the virus to their baby. Oral herpes is an infection of the lips, mouth, or gums due to the herpes simplex virus. Some people get mouth ulcers when they first come into contact with HSV-1 virus.