You are implanted with Implanon
this is long term contraception
, which is etonogestrel(Progestin), you have it for almost 2 years.
If you plan to become pregnant after removal of device its level goes down rapidly may be be with in week, and start ovulation in 4 to 6 weeks. Fertility
returns to the level which was there before Implanon,also depend on your age.
You had C section in previous delivery,you will be required close ante natal monitoring and possibly C section again but it is not absolute depends on various factors , your Gynecologist and Obstetrician, would be best person to decide about that.
If you decide to become mother again, wish you safe motherhood.
Best of Luck.