Other associations, including Lactobacillus gasseri (L. gasseri) and acanthosis nigricans (β = 1.10, P = 0.065), Streptococcus and intermenstrual bleeding (β = 0.29, P = 0.085), Streptococcus and pregnancy history (β = −0.99, P = 0.087) and Mycoplasma and AMH (β = 0.73, P = 0.194) were not statistically significant, although all LDA scores were > 4.0 in LEfSe analysis. The gene discussed is AMH; the disease is acanthosis nigricans.