PLOD1 and ovarian hyperstimulation syndrome: Additionally, several oral progestins have been tested for LH suppression in MAR,resulting in very low rates of premature LH surge, a comparable number of competentoocytes and embryos, reduced rates of ovarian hyperstimulation syndrome, and similarembryo ploidy and pregnancy rates when assessed against conventional stimulationprotocols (La Marca et al.,2020; Ata et al.,2021; Cui et al.,2021; Lin et al.,2023; Wang et al.,2023).