 [ Symptoms ] i stopped using birth control pills six months ago and have unprotected sex frequently is ita problem if im not pregnant i was put on the the depo shot at 15 years old and quit after it made my cycle bleed continuously for weeks at a time then switched to the birth control pills and i stopped taking those six months ago and have had my period pretty regularly i am worried why i have not gotten pregnant yet if i have sex unprotected frequently with the same person [ Disease ] you need to work with a healthcare provider on this issue and have your levels monitored they also might have specific treatment for you if you eat fish and seafood less often your levels will likely go down but you need to work with someone and have levels tested to be sure for more on the topic read this q&a with the doctor of a well known actor who had mercury toxicity from eating sushi twice a day for years