Question

the main reason for making copper t most effective and popular intra urine device in female:
(A)Reduction in fertilization ability of spermatozoa.
(B)Increased phagocytosis of spermatozoa due to release of copper ion.
(C)Reduction in motility of spermatozoa.
(D)All of these.

Answer 1

The true ans is B) My friend. ..Increase phagocytosis of spermatozoa due to release of Cu2+ Ion.