The kind of birth control that does not make you gain weight is the IUD, patch, ring and the birth control pill.
Birth control implants and birth control shots can cause you to gain some weight.
The form of birth control that is the most effective is implants and IUD birth control.
If used properly even birth control pills, birth control rings, birth control patches or even shots for birth control can also be very effective.
Long-Acting Reversible Contraception (LARC) Long-acting reversible contraception (LARC) offers the best protection against pregnancy outside of permanent birth control.
There are two types of LARCs.
Forms of birth control that are more convenient and don't require much maintenance are usually most effective.
These forms include the birth control implant, intrauterine devices (IUDs) and sterilization.
Birth control pills stop or reduce ovulation (the release of an egg from an ovary).
Thicken cervical mucus, creating a barrier that prevents sperm from entering your uterus and eventually reaching the egg.
Thin the lining of your uterus so that a fertilized egg can't attach and grow there.
Having your tubes tied can also prevent pregnancy if you don't plan to ever get pregnant in the future.