Lower values of Fischer’s quotient [(Ile+Leu+Val)/(Tyr+Phe) (Figure 3A) and ALT activity (Ala/Glu) (Figure 3B), were found in cancer-free women with PCOS, those with elevated risks of cancer development and those with established glandular malignancies (liver, breast, colon, lung). This evidence concerns the gene GPT and polycystic ovary syndrome.