 This study evaluated the clinical and hormonal characteristics related to lane body mass according to different polycystic ovary syndrome, POS, phenotypes, finding that fasting insulin, free androgen index, fat mass, and total femur bone minimal density were positively associated with increased lane mass in women with POS phenotypes A and B. This article was authored by Tyane Muniz-Faira, Batania Rodriguez, Dos Santos, and Pauli Mara-Spritzer.