What Should Your Cervical Mucous Look Like Before Your Period I'm Having Cervical Mucous Day Before My Period?

I'm having cervical mucous day before my period? - what should your cervical mucous look like before your period

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?