Pre-ejaculate (pre-cum) does have a small amount of sperm in it, so it is possible, but the amount in it is relatively small, so the risk of pregnancy is minimal. The greater risk is in sexually transmitted disease.
It would be much better for your body to use a simple A&D Ointment, like used on babies' bottoms. It will provide a barrier over the area while helping any abrasions to heal. Make sure to gently wash and rinse the area first. You should also have a stern talking-to with your sexual partner-- women do not have to be hurt to have good sex. The clitoris is extremely sensitive and can be injured.