Birth control: implant (in arm)

Autumn • Hello! My name is Autumn I'm 16 years old! I'm very friendly and love to talk and meet new people. 🎧🐶🐴🐰🍂🌺♈️🏇🏻🎤
Hello! 
The 23 I go in to get the implant in my arm. What are people's thought about it? It's it effective? Does it help if you already have a messed up period? Please comment I could use some more information about it.