Help...please comment !

So im 16dpo after being recalculated by glow AF is due 11/8 a week prior i had all the physical symptoms of AF coming on but nothing . during the week of OV I had EWCM so we BD all week...about 7/8 days later I had brown dc and pinkish spotting only when I wiped. Lasted about 3 days...so my queation is should I wait to take a test I was supposed to come on today but since I didnt Glow pushed it out two more days...is it to early to test?