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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
Explain one application of the following:
ZIFT
Fill in the blank:
Gonorrhoea is caused by _______ bacteria.
Short answer question.
Write a note on IVF.
Identify the IUD in the given diagram.
Expand the following.
ZIFT
In which technique of ART is a single sperm injected directly into the cytoplasm of the ovum?
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?
Test-tube baby is one who ______.
Assisted reproductive technology, IVF involves transfer of ______.
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is ______.
In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?
Which of the following is a non-medicated intrauterine device (IUD)?
In ZIFT method, there is ______.
Trace the events from copulation to zygote formation in a human female.
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.
Expand the term ZIFT.
Name any two Cu-ions releasing IUDs.
Explain any two ways by which IUDs devices act as contraceptives.
