What Is Cervical Mucus Like Right Before Period Is It Normal To Have Cervical Mucus Before Your First Period?

Is it normal to have cervical mucus before your first period? - what is cervical mucus like right before period

Then about 2-4 weeks ago I got this protein Notcias sticky liquid into my vagina and I read online as a "cervical mucus", but it is normal that before his first term, because "only 13 meters and has never been a time before ?