#$%^&*AU2018222947A120180920.pdf#####ABSTRACT 120 10 --- Formvvoo 402 -. - Existn PrcdudA1 0 10 20 30 40 50 60 70 Time (Mi W&tes) PG. 4 Pharmaceutical formulations for oral use in hormone replacement therapy comprising ultra-micronized progesterone are disclosed, wherein the ultra-micronized progesterone is combined with a suitable excipient. The preferred excipients comprise medium chain fatty acid-glycol esters and a nonionic surfactant comprising a polyethylene glycol fatty acid ester. In some embodiments C8 to C18 fatty acid esters of glycerol and polyethylene glycol are the preferred nonionic surfactants.