Contraceptive Methods and Effectiveness

Vocabulary flashcards covering chemical, mechanical, and surgical contraceptive methods and their effectiveness percentages as recorded in the SCIENCE GRADE 8 prepared notes.

Chemical method of contraception

Methods that involve the use of substances such as spermicides, injections, and contraceptive pills, which do not prevent the transmission of STIs and HIV.

Mechanical/physical method of contraception

Methods involving the use of barriers between the egg cell and the sperm cell to avoid fertilization, such as condoms, IUDs, and diaphragms.

Condoms

A mechanical barrier method that prevents the transmission of STIs.

Intra uterine device (IUD) and Diaphragm (Cervical cap)

Mechanical methods of contraception that do not prevent the transmission of STIs.

Surgical method of contraception

Minor surgeries that prevent pregnancy by cutting and tying reproductive ducts, such as tuba ligation and vasectomy, but do not prevent STIs and HIV.

Tuba ligation

A surgical method where the Fallopian tubes are cut and tied to prevent pregnancy.

Vasectomy

A surgical method where the sperm ducts are cut and tied, resulting in a pregnancy rate of approximately $0.15\%$.

Implant

A highly effective contraceptive method with a typical failure rate of $0.05\%$, or less than $1$ pregnancy per $100$ women in a year.

LNG-IUD and Copper T IUD

Intrauterine devices with typical failure rates of $0.2\%$ and $0.8\%$ respectively.

Injectable

A contraceptive method with a failure rate of $6\%$ per $100$ women in a year.

Pill, Patch, and Ring

Contraceptive methods each sharing a typical failure rate of $9\%$ per $100$ women in a year.

Diaphragm

A barrier method with a typical failure rate of $12\%$ per $100$ women in a year.

Male Condom

A mechanical method with a typical failure rate of $18\%$ per $100$ women in a year.

Female Condom

A barrier method with a typical failure rate of $21\%$ per $100$ women in a year.

Withdrawal

A method of contraception with a typical failure rate of $22\%$ per $100$ women in a year.

Spermicide

A chemical method with a typical failure rate of $28\%$ per $100$ women in a year.

Fertility-Awareness Based Methods

Methods involving tracking cycles that result in a typical failure rate of $24\%$ per $100$ women in a year.

Sponge

A barrier method with failure rates of $12\%$ for nulliparous women and $24\%$ for parous women.