Briefly explain IVF and ET. What are the conditions in which these methods are advised?

IVF – In Vitro Fertilisation is the process of fertilisation outside the body in conditions similar to the body’s internal environment.

This method is preferable for females who cannot conceive.

IVF is also known as test tube baby programme.

In this method the gametes from the male (sperm) and female (ova) are collected hygienically and are allowed to fuse (to form zygote) in a laboratory set up under simulated conditions.

The zygote formed is collected and is introduced into the uterine region of a host or surrogate mother at an appropriate time.

ET – Embryo Transfer, IVF is followed by ET in many ways like IUT or, ZIFT

It is final step of IVF process.

The main purpose of ET is to facilitate conception following fertilisation from IVF procedure.