Copper ions-releasing IUDs are more efficient than non-medicated
methods. Why?
NCERT Class XII
Biology - Main Course Book
Chapter 4. Reproductive Health
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20
copper ions released by the IUDs block the calcium channel of the sperm.So, the sperm loses its motility . thus they are more efficient than non medicated methods.
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8
Answer:
The Copper IUD's when inserted in to the uterus of a female, they do not let an egg get fertilized as they destroy the sperm. The IUD's releases the copper ion in the uterus and due to high number of copper ions, the Sperm cannot move through the mucus of the cervics. They just caused the death of a sperm and in this fertilization does not happen.
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