Odds of pregnancy without penetration or from precum

Kailey
     So there has been many questions on likelyhood of getting pregnant without penetration or with precum so I thought I would do some research. According to thelaboroflove.com, the odds of getting pregnant without penetration is super small. Sperm can survive for an hour or two outside the body so it can be transferred to the vagina by hands or what have you. However, it still would have to enter the vagina, travel through the cervix, up the Fallopian tubes, and still fertilize. The odds of that are very very small. It also said that if the sperm is no where near the vagina it's almost impossible to get pregnant.
        Also there is a chance of getting pregnant from precum with penetration. Precum itself does not have sperm in it normally but if a man has recently cum then it can still be in his urethra and can get into the precum. That can cause pregnancy but again the chances are low. If you're interested in reading up yourself, here's the link http://www.thelaboroflove.com/articles/what-are-the-chances-of-getting-pregnant-without-penetration