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You searched for: Author/Creator Pearson, Jack T.- Pearson, Jack T. [remove] 4
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- Contraception -- Periodicals 2
- Generative organs, Female -- Periodicals 2
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- Contraception -- fertility monitoring -- fertility awareness -- mobile application -- birth control 1
- Natural Cycles -- contraceptive mobile app -- Rhythm Method -- Calendar Method -- Standard Days Method -- fertility awareness-based method (FABM) -- fertile window 1