For anyone who had implantation bleeding???

Jessica • Wife💍 Mother of 4! Craft boss!! http://www.instagram.com/jessicaann1115 Www.instagram.com/gorjesscreations
I am 9dpo and on cd23 i had some light pink spotting yesterday followed by a backache could that be implantation bleeding? My cycles range from 25-28 days normally 26 for the past couple cycles! How long after ib would you get a positive?