4. Another silicone solution.

The Diaphragm is a shallow silicone cup that you insert into your vagina in order to cover your cervix right before sex. This method can be extra efficient if used alongside spermicide. A slight downside is that you need a prescription, and it may be embarrassing in new relationships, but it is over 90% effective, and it helps prevent STI's.

5. Be aware of your fertility.

You can track your ovulation and discover when you are producing eggs, and when you are not, and choosing the best times to have sex, and the times you should abstain from sex. This is a tricky one because it may be hard to track, even if you get one of the apps that are supposed to help you. This method is safe, free, and can be stopped easily whenever you want, but 25% of women still get pregnant this way.

6. Get your tubes tied.

Getting your tubes tied is one of the most popular and most effective forms of birth control. This a process where a medical professional does a surgical procedure to close or completely remove your fallopian tubes. It works immediately, it's over 99% effective, and wont result in early menopause. The only downside is that reversing it costs a lot of money, and it is not guaranteed to work, so just be sure its the right decision.