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Making embryos is something the IVF lab can do , since it's a procedure which is done in the lab. However, after we transfer the embryos back into the uterus, whether or not they will implant to become a baby is not in anyone's control. This is because nature is not very efficient in producing babies. We know that transferring more embryos does improve pregnancy rates - but it also increases the risk of a multiple pregnancy.

The key question is - how many embryos should we transfer , in order to maximise the chances of success, without increasing the risk of a high order multiple ? This is a difficult question to answer.

In many countries, such as the UK, the decision is taken out of the hands of the patient and the doctor. HFEA rules allow the transfer of only 2 embryos. 

Read more- How many embryos should I transfer ?


Which will give you the best risk-benefit ratio ? This is a very personal decision - and it's one you should make for yourself !

The way to improve the chances of success will be:

1. to increase the number of cycles you attempt,

2. to improve the quality of embryos (by selecting a better IVF clinic which transfers only top quality blastocysts) 

We tell patients to transfer only 1 top quality blastocyst at a time, so they maximise their chances of having a  healthy baby !

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

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