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| The progress on the methocls and dosage forms of long-acting contraceptive |
| 1. National Research Institute for Family Planning, Beijing, 100081; 2.Graduate School of Peking Union Medical College |
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Abstract In recent years, there have been significant advances in controlled release dosage forms used for contraception, which has provided more contraceptive options for women. Currently, the widely used controlled release contraceptives include vaginal rings, subcutaneous implants, intrauterine devices and so on, but these products have not fully met the contraceptive needs of women. Therefore, it is necessary to develop new controlled release contraceptives with better compliance, higher safety and better efficacy to improve the living quality of women.
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