The bumps can be of Molluscum contagiosum
. But most commonly the bumps are simple proliferation of hair glands which are more pronounced at this region. The only precaution you must follow is not to touch, pinch pop or squeeze any of them other wise it can get infected and can cause complications.
Lastly even if it is molluscum then it will not cause any problem and can be removed easily. It will be better if you can send a picture along with your query.