The following statements are true about Intrauterine devices (IUD) except:
Copper containing devices are second generation IUCDs. IUCD Example 1st Generation Lippe's Loop(Ine) 2nd Generation Copper Devices (copper 7, Multiload) Most Commonly Used 3rd Generation Progesterone Containing IUD (progestase, mirena) 4th Generation frameless (gynaefix)