Question:

The test-tube baby programme employs which one of the following techniques?

Updated On: Aug 1, 2022
  • Intra cytoplasmic sperm injection (ICSl)
  • Intra uterine insemination (IUI)
  • Gamete intra Fallopian transfer (GIFT)
  • Zygote intra Fallopian transfer (ZIFT)
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The Correct Option is D

Solution and Explanation

In in vitro fertilization method, popularly known as test tube baby programme, ova from the wife/ donor (female) and sperms from the husband/donor (male) are collected and are induced to form zygote under simulated conditions in the laboratory. The zygote or early embryos (with upto 8 blastomeres) could then be transferred into the Fallopian tube (ZIFT- zygote intra Fallopian transfer) and embryos with more than 8 blastomeres, into the uterus (IUT- intra uterine transfer), to complete its further development.
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Concepts Used:

Infertility

Infertility is described as not being able to get pregnant in spite of having frequent, unprotected sex for not less than a year for most couples. Infertility may result from an issue with either you or your partner or a combination of factors that stops a pregnancy.

Symptoms:

The major symptom of infertility is not getting pregnant. There may be no other apparent symptoms. Sometimes, women with infertility may have irregular or missing menstrual periods. In some cases, men with infertility may have some signs of hormonal issues, like changes in hair growth or sexual function.

Causes of male infertility:

  • Abnormal sperm production or function
  • Problems with the delivery of sperm
  • Overexposure to certain environmental factors
  • Damage related to cancer and its treatment

Causes of female infertility

  • Ovulation disorders
  • Uterine or cervical abnormalities
  • Fallopian tube damage or blockage
  • Endometriosis
  • Primary ovarian insufficiency
  • Pelvic adhesions
  • Cancer and its treatment.