"i have had my nexplanon since february 2015 it has been great up until june 2016 when i began to end breastfeeding. i have had cramps off and on for a month i have a period for over a week stop for 3 days and starts again for another week and horrible mood swings. i have never had trouble like this on any other bc. my arm in the area of the implant hurts off and on like i am being stabbed, getting it removed asap!"