What Is Cervical Mucous Like Right Before Your Period Starts I'm Having Cervical Mucous Day Before My Period?

I'm having cervical mucous day before my period? - what is cervical mucous like right before your period starts

I went into the bathroom and once dried, has a good elastic waist Paste CM had a whiff of something that looked like red / pink. This is unusual for me, and I take my period starts tomorrow. Would this mean that I am pregnant?