Help!

Hanna • I have one beautiful little girl 3 years old! Started ttc in August 2015. Due with rainbow baby April 2017!
After you get the smiley face on the clear blue digital how long do you have to get pregnant? I got two blank circles and then the 3rd day got the smiley face. I guess I just thought I would see a flashing one before that to give me a heads up. This is my first round of Clomid and I have never got a positive opk