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What does cervical mucus do?

Emily Nagoski
Emily Nagoski on behalf of Good In Bed
Psychology
Because of cervical mucus, your vagina is a self-cleaning oven. The cap of mucus at the cervix constantly, gradually rolls down the undulating walls of the vagina, carrying away stray bacteria, sperm, viruses, and any other bits of flotsam that find their way into the vagina. You need never douche; just allow cervical mucus to do its job.

Most of the month, your cervical mucus forms a protective barrier at the cervix, blocking sperm and everything else from making its way too close to the precious uterus and adnexa. At ovulation, the mucus forms long channels that allow the passage of sperm, so that pregnancy can happen with risk of infection minimized.

You can even use the changing texture of your mucus to help keep track of when you’re fertile.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.