Dydrogesterone contains progestin (female hormone) that plays a major role in regulating the menstrual cycles in females. It initiates the normal, regular growth as well as shedding of the womb lining. This helps induce regular periods in women who have menstrual irregularities due to lack of progesterone. Moreover, it relieves painful or absent periods, facilitates egg implantation and thus, treats infertility
