While in nursing school, we had rotations through the ER at a local hospital. One day, a girl came in because she was bleeding from the southern region and was freaked out. After thorough workups, girl saying she had cramps and everything, after running pregnancy test and finding nothing, the ER nurse was perplexed at what could possible be so abnormal and causing this, and the doctor wasn't offering much more in the way of answers. Finally, the ER nurse goes, "And you are sure you are not due to start your period?" the girl thinks for a minute, then says, "What is the date today?" so the nurse answered, and the girl goes, "Oh yeah, I am due to start my period! This is my period!" That mid-teenaged girl left and the nurse was not a happy camper that the patient took up so much time away from her other patients... she turned to the two of us around and said, "Unfortunately, stuff like that happens all the time here. We see the dumbest things in this ER."