Brown mucus discharge instead of period while on the pill

Because I'm on HBC my periods are very regular. My partner and I don't use any other form of BC. As expected my "period" started yesterday. However, it's…

Period Blood Color Chart: Decoding Menstrual Health

Brown spotting when I had my period 2 weeks ago? : r/Periods

Brown Discharge

Why is My Period Blood Brown? – DIVA US

What Does It Mean If I Have Brown Discharge?

Brown Discharge: Causes, Symptoms and Treatment

Brown discharge: What does it mean, and what should I do?

7 facts anyone taking birth control should know - Vox

Brown Discharge: Causes, Other Symptoms, Concern