Question

Copper ions which are released from copper releasing intrauterine devices (IUDs)

• A. Suppress sperm motility
• B. Make uterus unsuitable for implantation.
• C. Increase phagocytosis of sperms
• D. Prevent ovulation

Answer 1

The correct option is A

Suppress sperm motility

The correct option is A.

Explanation for correct option:

1. Copper IUDs work negatively by affecting sperm motility and damaging the sperm so that fertilization gets prevented.
2. Copper acts as a spermicide within the uterus.

Explanation for incorrect options:

Option B:

1. Hormone-releasing IUDs make the uterus unsuitable for implantation.

Option C:

1. IUDs increase the phagocytosis of sperm in the uterus.

Option D:

1. Mirena is a T-shaped IUD that prevents ovulation.

Final answer: Copper ions which are released from copper releasing intrauterine devices (IUDs) suppress sperm motility.