What Does Cervical Mucus Look Like Right Before Period Help! I Got Cervical Fluid/mucus Before I've Even Gotten My Period! Is This Uncommmon?

Help! I got cervical fluid/mucus before i've even gotten my period! is this uncommmon? - what does cervical mucus look like right before period

I know that the lower cervical mucus, however, I raised my eyes and in women who are not ovulating frequently. The thing is that I did not even my first time yet! Why is this happening?