OPINIONS AND THOUGHTS ON LONG TERM BIRTH CONTROL

Hello everybody i need help on choosing what type of birth control to get i used to take the shot... but i missed it and it sucks because of school and its hard to make an appointment.... anyways i want to get something more long term but my mom doesnt think its a good idea.. also im scared of not being able to have babies in the future due to being on birth control even though im still young ....then again me and my friend are getting serious and i want to be as safe as possible...