birth control ?

Idk why but I am really debating on birth control the side effects and the screwed up periods 😣 but I've had the nexplanon before having my son didn't love it but was manageble but idk if it's because I started doing research or what but people are getting pregnant with it 🤦🏼‍♀️😬that really worries me !.. what are your toughts on it if you have it or if you've had it and got another one in i took mine off and took me almost a year to get pregnant and now my son is 6 months old thinking of going back advice ladies thnks