If it is true that...

Estrogen's stimulation of non-mitochondrial oxygen consumption with the production of lactic acid stimulates blood vessel formation

and

Progesterone, by increasing oxidative efficiency, opposes this "angiogenic" (neovascularization) effect of estrogen

Then it must be true that...

Estrogen excess prevents the increase of stroke volume as the speed increases, but progesterone increases the stroke volume as the heart accelerates