By number of embryos transferred
Pregnancy rates depend on embryo quality and number of embryos transferred and are around 76% when we transfer 2 embryos in blastocyst stage.
Given the age of the eggs, risk of miscarriage once pregnancy has been confirmed is lower than in a natural pregnancy. The risk of malformations or genetic abnormalities is also lower.
Pregnancy rate by B-HCG:
Twins (Transfer of 2 embryos):
Ginemed's Results 2017