41. What is the contraceptive
mechanism of the IUD?

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The IUD (intrauterine device) a piece
of plastic with copper that is
within the uterus by doctor.

Copper is then released (IUD
may last to 10 years) and it has
a spermicidal sperm cells are
destroyed fecundation. Besides
this mechanism movement of the
IUD the uterus causes slight
inflammation that helps to
nidation.