By Dr Rolf Weissenberger, Director, City Fertility Centre, Brisbane Southside When women undertake an IVF cycle, the aim is to retrieve as many good-quality eggs as possible in order to optimise the chance of a successful pregnancy. The theory behind this is that IVF can be a physically and emotionally challenging process and doctors do not want to put patients through excessive IVF cycles if they can help it. The facts are also that not every stimulated follicle will contain an egg and not every egg will fertilise. Furthermore, not every egg that fertilises will go on to form a good-quality embryo. Why not transfer all embryos? One IVF cycle may result…