Suppression of fertilization by forming a membrane
Disturbing the site of implantation of blastocyst
Acting as a barrier
None of the above
A
Suppression of fertilization by forming a membrane
B
Disturbing the site of implantation of blastocyst
C
None of the above
D
Acting as a barrier
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Solution
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Copper IUD's primarily work by disrupting sperm mobility and damaging sperm so that they are prevented from joining with an egg. Copper acts as a spermicide within the uterus, increasing levels of copper ions, prostaglandins, and white blood cells within the uterine and tubal fluids. The increased copper ions in the cervical mucus inhibit the sperm's motility and viability, preventing sperm from traveling through the cervical mucus or destroying it as it passes through.
So, the correct answer is 'None of the above'.
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