Conventional or standard IVF treatment involves the administration of fertility drugs, monitoring of the cycle, collection of eggs, mixing eggs and sperm together outside the woman’s body in a culture dish or test-tube. Any resulting embryos are left to grow and the best 2-3 embryos are then transferred into the woman’s womb. Any remaining embryos of good quality may then be frozen for future use. In the United Kingdom a maximum of three embryos are replaced.
IVF cycle. The diagram below summarises the IVF cycle.

The original indication for IVF was tubal …