Hello, welcome to HCM,
Firstly, the symptoms you described may occur in any woman having implant. It is one of the side effects of the implant itself.
The symptoms do not indicates any chance of cervical carcinoma. But it should be confirmed by a thorough clinical examination.
Moreover, you need to do Pap smear
examination every year.
So, consult with your gynecologist for suitability of the implant, ordering Pap Smear examination and for management accordingly.