In vitro fertilisation is a technique that involvestransfer of which one of the following into the Fallopian tube?
Embryo only, upto $8$ cell stage
Either zygote or early embryo upto $8$ cellstage
Embryo of $32$ cell stage
Zygote only
Which of the following is the most appropriate statement defining infertility?
What are the Assisted Reproductive Techniques practised to help infertile couples ? Describe any three techniques.
IVF involves the fertilisation ...$A$.. the body followed by ...$B$...
Surrogate mother is
Suggest some methods to assist infertile couples to have children.