Treatment Outcome / Pregnancy / Humans / Low Dose / Fertility and Sterility / Female / Menstrual Cycle / Clinical Sciences / Adult / Public health systems and services research / Clinical Study / Sexual Activity / Side Effect / Reference Values / Endometrium / Pregnancy Rate / Female / Menstrual Cycle / Clinical Sciences / Adult / Public health systems and services research / Clinical Study / Sexual Activity / Side Effect / Reference Values / Endometrium / Pregnancy Rate