How soon?

Anastasia
So with my first two kids either I didn't have any signs of implanting my husband and I have been trying for 3 months and I have had some pretty sever cramping especially yesterday and then last night when I went to the restroom there were two pink dots. Today I am 9 dpo so i have two questions was this implanting and if so how soon after words do you start to have a reading on hpt?