If aggressive IVF means aggressive (high) stimulation it may also end up with high amount but very poor quality of eggs (oocytes). The best would be 8-10 oocytes per IVF cycle.
Australia is know to be leading country in IVF.
But in Europe - Poland and Hungary are countries where you receive treatment from world class experts. Both countries work with the newest techniques - not all are available in CH, new clinics and competitive prices and almost everyone speaks English.
Plus in Poland there is UEFA this year !!! Another good excuse to take off from work