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Solution


Q.

In which of the following techniques, the embryos are transferred to assist those females who cannot conceive             [2020]
1 ZIFT and IUT  
2 GIFT and ZIFT  
3 ICSI and ZIFT  
4 GIFT and ICSI  

Ans.

(1)

In vitro fertilisation, i.e., fertilisation outside the body in almost similar conditions as that in the body, followed by embryo transfer (ET) method. In this method, ova from the wife or donor (female) and sperms from husband or 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.