3beta-hydroxypregn-4-ene-20-one + NADP(+) => progesterone + NADPH + H(+)
3beta-hydroxypregn-4-ene-20-one + nadp(+) => progesterone + nadph + h(+)
3beta-hydroxypregn-4-ene-20-one + NADP(+) => progesterone + NADPH + H(+)
3beta-hydroxypregn-4-ene-20-one + nadp(+) => progesterone + nadph + h(+)