PLOD1 and Infertility: The effects of LH on the ovarian production of VEGF-A have been confirmed in infertile, but otherwise normal, women to which recombinant LH (rLH) was administered (75 U/day) during the late follicular phase, induced by administration of rFSH, in which the plasma and follicular liquid levels of VEGF-A, and its soluble receptor sFlt-1, were evaluated.