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प्रश्न
Explain any two ways by which IUDs devices act as contraceptives.
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उत्तर
- Copper-releasing IUDs produce copper ions, which reduce sperm motility and fertility.
- Copper-releasing IUDs make it tougher for a fertilised egg to implant in the uterus.
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संबंधित प्रश्न
Multiple choice question.
Test tube baby technique is called _______.
Generally the zygote or early embryo with how many blastomeres is transferred into the fallopian for further development, in IVF?
Which method of ART is preferred incase of blockage of fallopian tubes?
Assisted reproductive technology, IVF involves transfer of ______.
Choose the correct statement regarding the ZIFT procedure.
The test-tube baby programme employs which one of the following techniques?
In ET technique embryo is transferred into ______.
Males in whom testes fail to descend to the scrotum are generally infertile. Why?
Name any two Cu-ions releasing IUDs.
Which one of the following choices reflects the correct number of chromosomes in the zygote and in the second polar body of Drosophila melanogaster?
| Zygote | Meiocytes | |
| I | 08 | 08 |
| II | 04 | 08 |
| III | 08 | 04 |
| IV | 04 | 04 |
