Jan (University Hospital Ghent, Ghent, Belgium) Gerris & Francois (H¿pital Cochin, Paris, France) Olivennes 
Assisted Reproductive Technologies 
Quality and Safety

Worldwide, approximately 500, 000 in vitro fertilization cycles are performed every year. Although the best possible result is a healthy child, the technology carries a number of varying risks and complications leading to a trade-off between the efficacy of these treatments and their quality and safety. Drawing on contributions from international ex