Whilst the egg provider partner undergoes ovarian stimulation, the birth partner usually begins preparation for embryo transfer.
This typically involves treatment with oestrogen and progesterone to prepare the lining of the uterus and create the most suitable environment for implantation. Ultrasound scans may be performed during treatment to assess the thickness and appearance of the endometrium and help optimise the timing of embryo transfer.
If a frozen embryo transfer is planned, endometrial preparation will instead take place in the treatment cycle when the embryo transfer is scheduled.
The exact treatment protocol will be tailored to your individual circumstances and discussed with your fertility specialist.