The increasing order of potency of estrogens is (least potent to most potent) ?: (A) E1,E2,E3, (B) E1,E3,E2, (C) E3, E1, E2, (D) E2, E1, E3
Answer is C. Estradiol (E2) is most potent, followed by Estrone (E1), and Estriol (E3) is least potent