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Cervical Mucus Under the Scope

Cervical mucus is amazing. Has no one told you?!

Here’s why:

Your cervix, in response to the hormones estrogen and progesterone produced during your ovulation cycle, will secrete different types of mucus. Check out the photos of cervical mucus under a microscope to see for yourself! 🙌🏻

When progesterone is dominant (a sign of infertility and called “G mucus”), your mucus is dense and acts as a barrier to sperm and microbes. It looks like a wall– ain’t nothing getting in!

When estrogen is rising as your body prepares for ovulation, your mucus takes on a different formation– lower levels of estrogen cause a ferning pattern, or a “loaves” formation. L mucus filters out slow moving and malformed sperm (!!!!!).

High estrogen causes a “string” formation (seen as S mucus). These two types of mucus (L and S) indicate a time of fertility. When fertile S mucus is present and there is an egg waiting for fertilization, sperm can reach the egg in 5 minutes. WHOA.


Ladies, your body is amazing on a macro and micro scale. If this is exciting to you, tell me your reaction in the comments. And of course, if you have questions, we all benefit from you asking!

Read the original research on this discovery for yourself:

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