Typical use effectiveness of Natural Cycles: postmarket surveillance study investigating the impact of previous contraceptive choice on the risk of unintended pregnancy
Objective To investigate the association between contraceptive effectiveness of Natural Cycles and users’ previous choice of contraceptive, and to evaluate the impact of shifting from other methods to Natural Cycles on the risk of unintended pregnancy.Setting Natural Cycles mobile application.Partic...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2019-03-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/9/3/e026474.full |
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