i am 18 and about 5 foot 2 inches. i weigh about 98 pounds! i have beenn heavily drinking for the last three days. i began spotting vaginally today, nothing heavy... i have also had sex within the last few days. i'm not to worried but i would just like to know if maybe my drinking habit may have been the cause of my spotting. if there is anything you can tell me it would greatly be appreciated!