Is Cervical Mucus Just Before Your Period Normal Is It Normal To Have Cervical Mucus Before Your First Period?

Is it normal to have cervical mucus before your first period? - is cervical mucus just before your period normal

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 ?