Definition
- Contraception is the use of methods that prevent pregnancy by blocking gamete production, gamete transport, fertilization or implantation.
- Contraceptive methods are classified as temporary (physical, chemical, intrauterine, hormonal, natural) or permanent (surgical sterilization).
Classification of Contraceptive Methods
Classification of contraceptive methods
Category
Physical (barrier)
- Examples
- Condom (male); diaphragm with spermicidal jelly, vaginal sponge (female)
Chemical
- Examples
- Spermicidal foams, creams, suppositories
Intrauterine device (IUD)
- Examples
- Lippes Loop; Copper T variants; hormone-releasing devices (Progestasert, LNG-20)
Hormonal
- Examples
- Oral contraceptive pills (OCP); depots (subcutaneous implants, injectables, vaginal rings)
Natural
- Examples
- Rhythm (safe period) method; coitus interruptus; lactational amenorrhea
Surgical (permanent)
- Examples
- Vasectomy (male); bilateral tubal ligation (female)