Implantation bleeding? Or start of period

So a little back history me and my partner have been trying for baby #3 for about 2 months now. Month one I used the calender app but no luck so 2 month we had sex every other day to increase chance of catching when I ovulate, I have no period anymore after my first child but I ovulate and cramp? so we just finished having intercourse then go to the bathroom and wipe and go to shower come out and use the restroom wipe again and see blood like specs? then I re wipe and it's still there but now pink??????? help