This video shows how the sperm fertilise the egg in the IVF laboratory. This is a great chance to see how life actually begins in vitro ! And it's quite humbling to realise how much bigger the egg is than the sperm - and how many sperm are needed to fertilise just one egg !

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

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