具有抗癌和抗炎特性的抗雌激素。;Anti-estrogen with anticancer and anti-inflammatory properties.;是合成的促孕剂。它在生殖系统中结合并激活核孕激素受体、抑制排卵、宫颈粘液和子宫内膜的变化。;It is a synthetic progestational agent. It binds and activates nuclear progesterone receptors in the reproductive system, inhibits ovulation, and changes in cervical mucus and endometrium