Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 1 PCB Single Correct MCQ
Published on: August 12, 2026

The function of copper ions in copper releasing IUDs is?

A
They suppress sperm motility and fertilising capacity of sperms
B
They inhibit gametogenesis
C
They make uterus unsuitable for implantation
D
They inhibit ovulation

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The correct answer is:
A

In copper-releasing IUDs, the purpose of copper ions is to destroy the male reproductive cells. In these IUDs, the copper ions act on the cervical mucus at the opening of the uterus. The copper ions released within the female reproductive tract inhibit or prevent the movement or motility of sperms. Due to the suppression of movement of the sperms, fertilization does not take place.

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