Embryo transfer represents the final stage of the IVF treatment and is the climax of the IVF treatment cycle. How do we decide on which day to transfer your embryos ? Day 2 ? 3 ? 5 ? Which is better ? and why ?

Unfortunately, human reproduction is not a very efficient enterprise. This is true in the bedroom as well as the clinic, and most embryos do not become babies. This is because many embryos have a genetic error ( which is often random) and will not implant, because Nature will prevent them from doing so. This is why the implantation rate even for top quality embryos is about 40%.

So how do we select the top quality embryo to maximize your chances of success ? And how do we decide which day to transfer it ? And how may do we transfer ? All complex questions, which IVF clinics need to deal with daily !

Many clinics which don't have a good lab will transfer embryos on Day 2 or 3. To add insult to injury, they will transfer more embryos into the uterus, in order to maximise the chances of success. This is why their patients end up with multiple pregnancies - an iatrogenic complication of IVF, which increases the risk of babies having birth defects because of premature births !

 

Embryo Transfer on Day 5

embryo transfer

Top Quality Day 5 Embryo

  • The basic requirement to do a Day 5 Embryo Transfer is a good quality lab !
  • Can consider Single Embryo Transfer effectively.
  • Top quality Embryo can be selected to transfer, which will a have high probability of implanting in your uterus.
  • Can transfer 1 Top Quality embryo, thereby reducing the chances of multiple pregnancy.

The spare top quality blastocysts can be frozen, and used for the next cycle !

Authored by : Dr Aniruddha Malpani, MD and reviewed by Dr Anjali Malpani.
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