[header] How to deal with periods if you are blind or visually impaired [title] Notice vaginal discharge. [step] One telltale sign that you're getting your period is coming is feeling wetness in your underwear. This is vaginal discharge, and the amount of discharge varies for everyone. 
The discharge will usually come in small amounts, coming out thin and odorless. You may want to consider wearing panty liners when your discharge comes to avoid spoiling your underwear.