I found this and thought it might be useful about cm the second link tells you ways to improve it.
Hope it helps
Luv Cheryl xxx
https://www.babyhopes.com/articles/cervical-mucus.html
https://www.fertilinet.com/Cervical Fluid and Fertility.htm
Hope it helps
Luv Cheryl xxx
https://www.babyhopes.com/articles/cervical-mucus.html
https://www.fertilinet.com/Cervical Fluid and Fertility.htm