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Reproductive Health. — Bio Zoology STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Bio ZoologyReproductive Health.2 Marks
Question
How copper IUD’s provide contraception?
✓

Answer

Copper IUD’s release free copper and copper salts into the uterus and suppress sperm motility. They remain in the uterus for 5-10 years.
Eg: NovaT, Cu T-380.

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