How to avoid multiple pregnancies in assisted reproduction

The international rates of triplet or higher order pregnancies after assisted reproduction are 7.3 % at conception, 6.5 % before reduction and 3.85 % at birth. The obstetric and neonatal outcomes for twins and triplets show that reducing the proportion of multiple pregnancies should be a goal for centres undertaking in-vitro fertilization (IVF) and embryo transfer. Key words: assisted reproduction/IVF/multiple pregnancy/pregnancy outcome/ selective reductio