Intrauterine contraception

• These


  Small structures inserted into uterus
• Last for 3-5 years but can be removed at any time
• Copper IUDs


  • Prevent any early embryos implanting in the lining of the uterus
• Progesterone IUDs


  • Release progesterone slowly to prevent build up of uterus lining and thicken cervix
• Effective but can cause period problems/infections