Objective To evaluate the effectiveness and side-effects of Marvelon.Method To divide subjects of observation into three groups based on their willingness

and adopt Marvelon to one group of 48 persons

and0numbered tablets and 3numbered tablets to other two groups of 46 persons respectively

observing and comparing their contraceptive effectiveness

side-effects and enduring safeness.Results The contraceptive effectiveness of all three groups reached 100%

and all were safe without diagnosing genital tumors

cardiovascular diseases

liver or kidney dysfunctions

or abnormal lipid metabolism etc

while the rates of occurrences of sideeffects such as changed body weight and skin pigmentation were markedly lower in the Marvelon group than in the other two groups（P<0.01）.Conclusion Marvelon has fewer side-effects in short acting oral contraceptives and is more readily accepted by users.