Help. Tmi pic included

I'm 33 weeks pregnant. I'm kind of worried. So yesterday I was sitting in class and went to stand up and got this really bad sharp pain in my right side. Almost like someone stabbed me. After a minute or so, it went away. I noticed I was wet so I went to the bathroom and my underwear was wet, like I peed myself. I used the hand dryer to dry them off and for the rest of the day they have been dry. I'm worried that maybe my water broke or I ruptured something or leaking. Ever since then I have been completely dry. This happened at 11am yesterday. And I've been dry ever since I dryers my panties off