(a) List any two reasons other than physical and congenital disorders for causing infertility in couples.

(b) Explain how IVF as a technique helped childless couples in having children.

(c) Compare GIFT with ICSI.

 

 

 
 
 
 
 

Answers (1)

a) 

  • Diseases
  • immunological 

b)

In In-vitro fertilisation the fertilisation takes place outside the body followed by embryo transfer in this method ova from receiver/donor and sperms from receiver/donor are collected and induced to form a zygote in the lab, zygote / early embryo is transferred into the fallopian tube, embryos with more than 8 blastomeres, are transferred Into the uterus for further development

c)

GIFT

ICSI

Transfer of an ovum collected from a donor Into the fallopian tube of another female who cannot produce one.

Specialised procedure to form embryo by injecting sperm directly into the ovum.

 

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