how long do I wait

Kaylee • 18yrs old 👱🏽‍♀️Taken 11.5.14 engaged 💍 Tattoo Artist 💉 TTC 👶🏼🤰🏼
In my fertile week last time my boyfriend and I had unprotected sex and he may have gotten some In me not positive but I normally start my period like yesterday and I'm not stressed out or anything so do I like take a test tomorrow or after my period should be over? 
Also having thick stringy white discharge