In addition to inhibiting ovulation, Marvelon exerts a secondary contraceptive effect: by inducing an increase in the viscosity of the cervical mucus, it inhibits entry of spermatozoa into the uterus.

• 除了抑制排卵；妈富隆还表现出其他避孕效应:增加宫颈黏液的粘稠度；阻止精子穿透而进入宫腔.