Here are some of the most effective contraceptive methods:
ABSTINENCE
Is not doing it, control.
Effectiveness: 100%
TUBAL LIGATION
Tubectomy (also known as having one's "tubes tied" (ligation)) is a surgical procedure for sterilization in which a woman's fallopian tubes are clamped and blocked, or severed and sealed, either method of which prevents eggs from reaching the uterus for fertilization.
Effectiveness: 99.8%
VASECTOMY
Is a surgical procedure for male sterilization and/or permanent birth control. During the procedure, the vasa deferentia of a man are severed, and then tied/sealed in a manner such to prevent sperm from entering into the seminal stream (ejaculate). Vasectomies are usually performed in a physician's office or medical clinic.
Effectiveness: 99.98%
CONTRACEPTIVE PILLS (ORAL)
Oral contraceptives, abbreviated OCPs, also known as birth control pills are medications taken by mouth for the purpose of birth control.
Effectiveness: 97%
Here's the entry of the blog Face to Faith about Contraceptive Methods, in which students from Prepa Tec participated