Similarly, all keywords mainly include granulosa-cell, insulin, gut dysbiosis, adolescents, meta-analysis, metagenomic analysis, probiotic supplantation, fecal microbiota transplantation, metabolites, IL-22, granulosa-cells, endometriosis, luteinizing-hormone, d-chiro-inositol, and mechanisms (Figure 7D), which represent the current hotspots or frontiers in the field. Here, IL22 is linked to endometriosis.