I think its meant sort of as physical intention aka the body doesn't have the ability to "hold eggs" (jfc) yet but will try to develop the capability in the future. A sneaky way to try and include infertile cis women but it still excludes many of them as there are various reasons for infertility. Interestingly the phrasing also excludes all women post menopause but that's to be expected given the amount of representation those usually get (the amount being zero).
