In vitro fertilisation is a complex assisted reproductive treatment. It involves joining an egg with sperm in the laboratory –in vitro– in order to obtain good-quality embryos, which once transferred to the mother’s uterus lead to a pregnancy.

To perform the procedure, it is necessary for the patient to undergo controlled hormonal stimulation to procure her eggs, which will later be fertilised in vitro in the laboratory and monitored for a few days whilst they develop. One of these embryos will then be transferred back to the womb and the rest will be frozen for future use.