It usually takes 2-3 weeks para makakita ng accurate result if urine specimen gamit mo. But take considerations as well since you are taking birth control pills, is this the first time? Maybe there has been changes in your usual cycle or your body is adjusting on the excess hormones. Just wait another week and don't stress yourself as much as possible for it can prolong the delay of your auntflow.
Joanna Marie Casil Gelido