Recently I received news that I may have gotten a girl pregnant a few months back. I slept with a girl 1 time, with a condom, and didn't finish in the condom/in the girl. Upon further discussion it could possibly be 3 other guys. I have read numerous stories about guys being stuck with child support even when the child is not theirs. Mid 20s. I do not want a child at this time in my life. This occurred in California. A few questions. * How do I protect myself from this eventuality if it is not mine? Lawyers? Doctors? * How accurate are the ultrasound predictions at 2.5 months? * Any other things I am not aware of I may need to know from others who have been in this situation?

*Edited some words