Question

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

Answer 1

d ...all of these ....hope it helps you