Vegina Lights Plz Help Suggest Me..whats The Mean Of Light Red Discharge After Sex..?my Period Is After 10 Days But Some Red

Plz help suggest me..whats the mean of light red discharge after sex..?my period is after 10 days but some red - vegina lights

after sex or at any time, without the red liquid from Aegina pour some normal is in the color of red light, no pain now, I have a pregnancy test was negative and my time is after 10 days. plz suggest something ... Which is what I have never this problem b4.