The treatment usually lasts just over 15 days and begins at the start of the menstrual cycle. In some cases, it may be necessary to take contraceptives beforehand to synchronise the process.
Ovarian stimulation is carried out using gonadotropins, with the aim of promoting the development of several follicles. During this phase, regular ultrasound scans are carried out, as every woman responds differently and the treatment is tailored to the individual.