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प्रश्न
Males in whom testes fail to descend to the scrotum are generally infertile. Why?
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उत्तर
If the testes fail to descend to the scrotum, gametogenesis could be inhibited, the process of spermatogenesis require a marginally lesser ambient temperature than that in the abdominal cavity.
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संबंधित प्रश्न
Suggest some methods to assist infertile couples to have children.
Correct the following statement:
In E. T. techniques, embryos are always transferred into the uterus.
Write a brief note on the causes of infertility.
Fill in the blank:
Sperm fertilizes ovum in the _______of fallopian tube.
Fill in the blank:
The hormone produced by the testis is _______.
Short answer question.
Write a note on IVF.
AI is the preferred technique used incase of ____________.
Which Artificial Reproductive Technique can help a lady conceive a child if both her fallopian tubes are blocked?
In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?
Mark the odd one.
What is correct for test tube baby?
The stage transferred into the lotuses after induced fertilization of ova in the laboratory is ______.
In ZIFT method, there is ______.
Given below are Column A with a list of certain Assisted Reproductive Technologies (ART) and in Column B the procedures followed during ART:
| Column A | Column B | ||
| S. No. | Names of ART | S. No. | Procedures |
| (A) | GIFT | (i) | Transfer of ovum from a donor into the fallopian tube of another female. |
| (B) | ICSI | (ii) | Transfer of semen from the donor into the vagina of the female. |
| (C) | ZIFT | (iii) | Injecting sperm directly into the ovum. |
| (D) | IUI | (iv) | Transfer of early embryos into the fallopian tube. |
Choose the option where ART correctly matches with the procedure.
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 |
Write the long form of GIFT.
Expand the term ZIFT.
The ______ is also called the womb.
Explain any two ways by which IUDs devices act as contraceptives.
