What does it mean to have on and off smiley face and blinking smiley face??

April 7 :)
April 8 :)
April 10 (No smiley face)
April 11 ( No smiley face)
April 12 (No smiley face)
April 13 :)
April 14 :)
April 15 ( No smiley face)
April 16 Blinking :)
April 17 (No smiley face)
April 18 (No smiley face)
April 19 Blinking smiley face
April 20 Blinking smiley face
April 21 Blinking smiley face
April 22 Blinking smiley face ( Took a test in the morning after waking up had a blinking smiley face took a test after work in the evening around 7:30-8pm had just a siley face NOT blinking)

What does this mean to have 4 blinking smiley face in a row?? My last period first day was April 8th ended April 13. Then I had some spotting afterwards on April 15 and 16 also yesterday and had mild cramping yesterday after the spotting.