What is the chance of a girl getting pregnant if she sucked your penis and then the penis rubbed her vagina and didn't ejaculate?

As long as there was no entering of the vagina, no chance of pregnancy. There has to be penetration and sperm within the vagina. An Ammendment Actually the above is not entirely accurate. Pre-seminal fluids can be present and sperm cells can be present. Any time an unprotected penis get's near enough to a vagina to actually touch it, there is a risk, albeit slim, of pregnancy. Best practice is to wear a condom or avoid penis to vagina contact if pregnancy is not the desired end result.