I hope you get the answer you want soon

I've never been on implanon, but I have been on the pill on and off for the past 7 years now (I think it adds up to about 4.5yrs total that I was on it) an have gotten pregnant on it 5 times (never missed a pill, and the only time I forgot about using double protection with/after antibiotics was with my DS lol and he was conceived right ta the end of the 2wk wait period lol) and then at the end of August last year in the 4th month after going back on the full pill after having DS (I started on the mini pill when he was 4wks old as I was still producing a little bit of milk at the time, though it dried up completely 2 weeks later) I got a mid-cycle bleed that lasted for 12 days...
I still don't know what caused it and had never had any problems with the pill before, so maybe there's something like that going on?
Some kind of unexplained sensitivity to the implanon?

Sorry I couldn't be of more help.