Any theory? Guesses welcome!

Shadely • Proud Mama of 2 handsome guys(11&9), one little princess(5), and 2 preemie boys born ❄Dec 3rd 2017!👣👣💙💙❤💙💙
My ultrasound was abdominal and I'm 9w2 days today. 😊 I'm expecting twins as well so I hope these pics do justice!