| 摘要 |
The present invention provides a contraceptive kit which helps to overcome or ameliorate the problem of breakthrough bleeding and spotting associated with lowest does (15-20 mu g EE) estrogen contraceptives, by providing at least two cycle packs of oral contraceptives containing an estrogen and a progestin, said kit having a first cycle pack and a last cycle pack, the first cycle pack containing an effective dosage of estrogen and progestin greater than the last cycle pack. |
