Emma I hate to tell you but your actually wrong. Implantation is when the fertalized egg implants its self to your cervix wall. You're actually pregnant .B.E.F.O.R.E. That. When the sperm meets and fertalizes the egg which happens about 6 days before then. It takes those days for you fertalized egg to travel through the falopian tubes and reach the cervix. That's why some doctors say your actually pregnant 41 weeks because they go by date of actuall conception. A 40 week based pregnancy is from date of implantaion. So its not that she isn't pregnant yet cause if she is experiencing implantation she has been pregnant for the past week. The only thing is most .H.P.T. Can't track the hcg hormones that early.
Personally I had implantation bleeding right around the time I was to start my period. It lasted about a day. It was dark and a little thick the first time and then it lightened up and looked kinda like disscharge and blood. (sorry for the .T.M.I.) when the spotting just stopped I got a little confussed so I went & bought a 2 pack pregnancy test (the brand name .Answer .Pregnancy .Test) I took the first one that afternoon around 6pm and it came back negative. Waited 6 days to take the other one took it first thing that morning and .B.A.M. 2 lines.
I was way early though . . . I made my appt. For the next day went in they did the blood work and urine test and everything came back that I was pregnant. They did an ultrasound and there was nothing. That's how early I was. About 1 and a half weeks or 2 weeks.
Everyones different but to me it sounds like there is a possobility it could be implantation.
I say wait a few days take another test with first morning urine and see what happens.
Keep us updated on what happens.
Good luck
- jenn