Neither basal LH secretion nor LH half‐life changed substantially with placebo or progesterone administration; no significant differences in basal LH secretion or LH half‐life were observed between the placebo and progesterone conditions in either group (supplemental materials); and no progesterone‐related differences were observed between the control and PCOS groups for 10‐h basal LH secretion (p = 0.735) or for 10‐h LH half‐life (p = 0.261). Here, PLOD1 is linked to polycystic ovary syndrome.