In some women, oviducts are blocked. These women are unable to bear babies because sperms cannot reach the egg for fertilisation. The doctors advise IVF (invitro fertilisation) in such cases. Below are given some steps of the procedure. Select the INCORRECT step.

Zygote is kept outside and development takes place in a test tube

Zygote is formed and after a week placed in the uterus

Fusion of egg and sperms is done outside the body