Could I be having twins? :o

Samantha • Mama to a handsome boy and angel baby 👼 👦! Proud military wifey ❤️

I’m still 5 days before my missed period and everyone keeps saying that my lines are really dark for being so early! I have a history of twins in my family. What do you guys think? :) technically I’m 13 dpo though! So I feel like it’s normal.