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प्रश्न
Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?
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उत्तर
Intra Uterine Devices (IUDs) are inserted in the uterus through vagina and are presently available as the non-medicated IUDs, copper-releasing IUDs and hormone-releasing IUDs Cu ions-releasing IUDs are more efficient methods because
- Cu ions released suppress sperm motility and fertilising capacity of sperms.
- It increases phagocytosis of sperms within the uterus.
- It is one of the safest. most effective, convenient and least expensive reversible contraceptives available.
- It has no systemic effects and can be safely used by breast-feeding women.
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संबंधित प्रश्न
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| Method | Mode of action |
| a) Condom | (i) Ovum not able to reach Fallopian tube |
| b) Vasectomy | (ii) Prevents ovulation |
| c) Pill | (iii) Prevents sperm reaching the cervix |
| d) Tubectomy | (iv) Semen contains no sperms |
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