I went to a party 1 week ago and had gotten very drunk. I don t remember having sex, but I know I did. I ve been having really bad cramps lately. I got my period 4 days early, but it s different. It s thicker and darker than normal and I ve never had cramps like this before. I ve also been super tired, super moody, and super hungry- Even before my period, much earlier than normal. what can this mean?