Lesson Playlist: Contraception Biology
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01:40
Using Data to Calculate Percentage and Determine the Effectiveness of the Combined Contraceptive Pill
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02:25
Determining Why the Rhythm Method is Not an Effective Method of Contraception
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01:52
Recalling the Method of Contraception that Also Protects Against Sexually Transmitted Infections
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02:26
Describing the Aim of Contraception