In the Tandem approach, both the prospective mother and the donor are prepared simultaneously, and the eggs from both groups are fertilised with the male partner’s sperm. The healthiest embryo is then selected for transfer.

Many women may feel emotional and indecisive at the point of deciding on this treatment. However, this procedure increases the chances of obtaining a healthy embryo. If the patient’s own eggs do not provide sufficient success, the introduction of donor eggs offers an effective alternative.