So I have pcos and I’ve been having sex with my boyfriend every time I ovulate we have sex all week of ovulation we’ve been having sex from august 21 up until September 9 my birthday and then we had sex lastnight again he finished inside of me I was drinking alcohol because I don’t think I’m pregnant but from September 8 Ive been vomiting and can’t keep anything down all I can drink is lemonade and salty food this morning I woke up my boobs sore my lower back is hurting really badly I’m not sure what it mean my period is suppose to start today normally it would start at 2:00am the day it’s suppose to start but it’s not here any advice ?