What are some advantages of the implantable contraceptive implanon?

Irregular bleeding: It is associated with light, irregular bleeding for the three years it is in.

Nexplanon: Implantable hormones for birth control are progestins (progesterone analogs) and once implanted, produce excellent birth control, although not as certain as combination birth control pills. Sometimes ovulation is affected, so periods are delayed or absent, which can cause concerns about pregnancy.