In fact, womenwho received ultra-long GnRH protocol had larger uterine volumes (Lan et al., 2021; Wu et al., 2022; Ge et al., 2023) and insome studies a higher rate of dismenorrea (Geet al., 2023) or confirmed endometriosis (Lan et al., 2021), andeven lower AMH levels compared with long GnRHa protocol (Ge et al., 2023). The gene discussed is GNRH1; the disease is endometriosis.