Advice on the birth control Implanon?

Hey there, my name is Courtney. I am 19 years old. I am wondering what your advice on the birth control Implanon is. I just had my daughter 6 months ago. At first, i was on the Depo shot and it made me gain about 15-20 pounds. im off of it now and want something new. i cant get on the iud bc of my cervix shape and its difficult bc i hada ceserean section. please i need your advice. i dooooo noooot want pills, or to gain weight. i need advice or even suggestions!!??! please no rude comments thanks!