My friend got a girl pregnant?

Okay my friend had and he is 13 I beleive him because we have known each othe for like 7 years and he wud never lie about something like that. He thinks he got the girl pregnant and thy cud b very dangerous. He us very. Scared and so am I for him. He gave me all thtle details of how they did it. I didn't ask!! But it sounded pretty bad and seemed like thee was a huge chance she is pregnant.