Can precum without penetration cause pregnancy?

Less likely but: There's always that small possibility. Take care! http://www.Newhealthguide.Org/can-you-get-pregnant-from-precum.Html.

Sperm: deposited at the introitus (vaginal opening) or the vagina can lead to pregnancy. Most studies have showed low levels of sperm or no sperm in pre-ejaculate. One study showed that there are some individuals with a high sperm count in pre-ejaculate.