Question

Which of the following is hormone releasing IUD?

• A. Lippes loop
• B. Cu$7$
• C. LNG-$20$
• D. Multiload $375$

Answer 1

The correct option is C LNG-$20$

Lippes loop is IUD impregnated with barium sulfate. Copper releasing IUDs, namely CuT, Cu7, Multiload 375 etc, release copper that suppress the sperm motility which in turn reduces its fertilizing capacity. LNG-20 is IUD that release levonorgestrel (LNG), cause endometrial atrophy and alter the stroma to inhibit implantation. It also increases sperm phagocytosis in uterus.

Therefore, the correct answer is option C.