Late AF and bleeding

Catie
So AF was due 12/16 and had light to moderate bleeding on 12/17 and 12/18.. It seems like a short period. Mine usually lasts at least 4 days. What does this mean? Miscarriage or implantation bleeding? 
Help!!!

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors