GNRH1 and ovarian hyperstimulation syndrome: A literature search was conducted by searching Pubmed for articles published in the last 5 years using the terms “ovarian hyperstimulation syndrome”, “OHSS”, “GnRH agonist”, “GnRH antagonist”, “GnRH agonist triggering”, “ovarian hyperstimulation syndrome prevention” and “ovarian hyperstimulation syndrome treatment”.