BiEstro-Care combines two estrogens for perimenopause and menopause solutions in an 80/20 ratio.Each full press of the pump provides approximately 1 mg of natural Estriol USP and 0.25 mg of natural Estradiol USP.Formulated to contain 24 mg of estriol and 6 mg of estradiol per ounce.Other products from HerbsPro