Impact of Culture Conditions on the Embryo Quality

The purpose of this study is to compare different culture conditions. The effect of the type of incubator (standard versus mini-incubator) and the effect of the oxygen concentration (5% versus 20%) will be evaluated on the embryo quality

Inclusion Criteria:

• embryos of patients younger than 36 years old

Exclusion Criteria:

• embryos of patients older than 36 years old