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प्रश्न
Briefly explain IVF and ET What are the conditions in which these methods are advised?
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उत्तर
IVF and ET refers to In vitro Fertilisation and Embryo Transfer. Gametes from the male and female are collected hygienically and induced to fuse in the laboratory set up under simulated conditions. The zygote formed is collected and introduced into the uterine region of a host or surrogate mother at an appropriate time (secretory phase). Early embryos (upto 8 cell) are generally transferred to the fallopian tube whereas embryos with more than 8 cells are transferred to the uterns.
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संबंधित प्रश्न
Expand the following:
ZIFT
Fill in the blank:
The primary sex organ in human male is _______.
Fill in the blank:
Gonorrhoea is caused by _______ bacteria.
Identify the IUD in the given diagram.
AI is the preferred technique used incase of ____________.
The highly sophisticated procedure of directly injecting a sperm into an egg is called ______.
Which of the following is ART?
Which method can be used for women that cannot produce ovum but can provide suitable environment?
The test-tube baby programme employs which one of the following techniques?
Identify the correct reasons for infertility.
(i) Drugs
(ii) Diseases
(iii) Congenital
(iv) Use of Contraceptives
(v) Immunological or psychological
(vi) Assisted reproductive technology
Mention the primary aim of the “Assisted Reproductive Technology” (ART) programme.
What are the Assisted Reproductive Techniques practised to help infertile couples? Describe any three techniques.
Trace the events from copulation to zygote formation in a human female.
Placed below are case studies of some couples who were not able to have kids. These couples are not ready for adoption or taking gametes from donors. After thoroughly examining the cases, which Assisted Reproductive Technology will you suggest to these couples as a medical expert? Explain briefly with justification of each case.
| Couple | Test reports of Female partner |
Test reports of male partner |
| Couple 1 | Normal reports | Normal sperms in testes, Missing connection in epididymis and Vas deferens. |
| Couple 2 | Blockage in the fallopian tube | Normal reports |
| Couple 3 | Normal reports | Poor semen parameters in terms of count, motility and morphology. |
| Couple 4 | low ovarian reserve | Normal reports |
| Couple 5 | Sterilization in male | Morphologically abnormal sperms |
The ______ is also called the womb.
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 |
