The copper used in Copper T has following action

Concept:

• The devices that are used to prevent unwanted pregnancies are called Birth control devices or Contraceptives.
• Various Contraceptive methods are:

1. Natural/traditional methods
2. Barrier methods - Condoms, Diaphragms, Cervical caps
3. Intra uterine devices (IUDs) - Lippes loop, Copper T, Copper 7
4. Oral contraceptives - Saheli
5. Injectables and Implants 
6. Surgical Methods - Vasectomy & Tubectomy

Explanation:

• Copper T is an intra uterine device inserted by doctors in the uterus through the vagina.
• It increases the phagocytosis of sperms in the uterus, along with this it also releases copper ions which suppress sperm motility and fertilizing capacity.
• Thus the copper used in Copper T has Spermicidal action

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