The Use of GnRH Analogues for Synchronization of Oocyte Donation

Since the first pregnancy and delivery in a patient with absent ovaries [1] more pregnancies have been reported after oocyte donation. Synchrony of the donor’s and recipient’s cycles is mandatory. We here report the synchronization of the donor’s cycle to the recipient’s substituted cycle using a long and short protocol of GnRH analogues in combination with hMG and HCG.