i havent had sex in 3 months, the first 2 months i had a normal period but last month i missed my period. i cannot stand for no more than 4 hours without having intense back and feet pain. i have nausea after smoking cigarettes (i cannot handle cigarettes as i used to). i have weight loss. after a month of having no sex, i went to 2 doctors to take a pregnancy test and both came out negative and im pre-diagnosed with diabeties