what can cause you to get your period twice in one month?
['You forgot to take your birth control. ... ', "You're pregnant. ... ", 'You have uterine polyps or fibroids. ... ', 'You have an infection down there. ... ', "Your thyroid isn't working properly. ... ", 'You have PCOS. ... ', 'You have precancerous or cancerous cells. ... ', "You're seriously stressed out."]