Question

Which contraceptive method is most effective? a. abstinence b. diaphragm c. IUD d. Depo-Provera? injection

Short answer

The most effective contraceptive method among the given options is abstinence, with 100% effectiveness in preventing pregnancy.

Step-by-step solution

Understand the Options

First, let's briefly describe each contraceptive method: a. Abstinence: Refraining from any sexual intercourse. b. Diaphragm: A barrier contraceptive device placed in the vagina to cover the cervix and prevent sperm from reaching the egg. c. IUD (Intrauterine Device): A small, T-shaped device inserted into the uterus that prevents pregnancy by affecting the movement of sperm and fertilization. d. Depo-Provera injection: A hormonal contraceptive method in the form of a shot given every three months, which works by preventing ovulation and thickening cervical mucus.

Compare the Effectiveness

Now let's compare the effectiveness of each option in preventing pregnancy (based on typical use): a. Abstinence - 100% effective, since no sexual intercourse takes place. b. Diaphragm - Approximately 88% effective, which means 12 out of 100 users may become pregnant each year. c. IUD - More than 99% effective for both hormonal and copper IUDs, with only about 1 out of 100 users becoming pregnant each year. d. Depo-Provera injection - Approximately 94% effective, which means 6 out of 100 users may become pregnant each year.

Identify the Most Effective Method

Based on the comparison of effectiveness amongst the given contraceptive methods, the most effective method in preventing pregnancy is: a. Abstinence, with 100% effectiveness, as no sexual intercourse occurs, making pregnancy impossible.