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Nova Scotia Health has made changes to parking and the main entrance of the QEII Halifax Infirmary. Learn more.
Document
Birth control patches prevent pregnancy by preventing an egg from leaving your ovary each month. This prevents fertilization (when an egg and sperm join). This pamphlet explains how the patch works, how well it works, when it starts to work, pros and cons, how to use it, and possible side effects.
This pamphlet is also available in French: FF85-2026
Le timbre contraceptif