How do contraceptives work? - NWHunter
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Contraception - CRASH! Medical Review Series
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Por que as mulheres menstruam?
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How Does Birth Control Work?
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How do your hormones work? - Emma Bryce
11:33
Methods of Contraception Made Easy (Contraceptive Methods Explained)
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What causes yeast infections, and how do you get rid of them? - Liesbeth Demuyser
6:43
Como fazer um bebê (em um laboratório) - Nassim Assefi and Brian A. Levine
14:06