I have had 2 kids already one is 2yrs and the other is 6mns I got pregnant with him while on the mirenia and I'm worried I could be with the implanon, but could be having a miscarriage, I didn't have a period for 2 months straight then had a real bad one for a month straight and now spotting the past 2 days with killer pains. I've also been getting sharp shooting pains in my lower and mid stomach and back pain that hurts to move in my way lower back, it feels like back labor and this has been happening for about a month or 2 now. Sometimes it feels like there is something moving in my stomach but dont know if they could be phantom kicks from just having a baby 6mns ago... Please help I'm really worried and have taken tests and they've came back negative.