Ovarian hyperstimulation syndrome after GnRH agonist triggering and freeze-all protocol? Never not, hardly ever. A systematic review of case reports.

In conclusion, the statement that OHSS risk is eliminated when GnRH-a triggering, a freeze all strategy and no hCG in the luteal phase may generate the idea that this event cannot occur. Although rare, these cases have been observed in a relatively short period of time.
Source: Gynecologic and Obstetric Investigation - Category: OBGYN Source Type: research