GNRH1 and ovarian hyperstimulation syndrome: Second, the numbers of retrieved oocytes in both groups were high in our study.Finally, most women in our study were triggered with a short-acting GnRH agonist accompaniedwith small-dose hCG (2000 IU) in case of inadequate endogenous LH surge after GnRH agonistadministration, and the latter might have increased the risk of OHSS.