How to check cm?

Question

I'm new to this and was just wondering how do you check cm? Me and my partner are ttc so checking cm should help but I don't know how to check or what I'm looking for!

Answer

Here's the pic

Answer

By hand. U just ck the consistency of it.  Is it creamy and white or watery and thin. Some days it could just b dry. Touch yourself and that will tell u. On here somewhere ive seen pics and description of it. Keep watch.