* Foetal Cortisol causes upregulation of the enzymes '''17α Hydroxylase, C17-C20-lyase and Aromatase''' in order to increase the Oestrogen:Progesterone ratio. | * Foetal Cortisol causes upregulation of the enzymes '''17α Hydroxylase, C17-C20-lyase and Aromatase''' in order to increase the Oestrogen:Progesterone ratio. |