How did you find out you were having twins?

Yarubi • Raising arrows! 7 arrows!
I had gone to ER cause I was feeling super sick.  Hubby kept joking about that's because your having twins. Lol (i am a twin myself) so ER Trip after an early sono doctor comes in and Says CONGRATS YOUR HAVING TWINS! Hubby got so emotional, Tears of Joy. I was laughing/crying. Best news! Twins. Now 19 weeks boy/girl Twins