Yes.
I saw one the Chinese News Report a couple of years back that a 15 years old virgin girl got pregnant after swimming in a swimming pool in China. The doctors said it is very unlikely for something like that to happen. Like one in a trillion chance of happening. They did check to see if she had a boyfriend. Sure enough she was a straight A`s student who was not in any kind of relationship with any male. In China the pools doesn't have enough choline in it. I went swimming in the pool in China and it cost me $15. that's how I know. Weird but true story.