skull theory for my di/di twins? 12w ultrasound

Rachel ๐ŸŒบ ๐Ÿ’™๐Ÿ’— โ€ข Mama to 4 year old twins ๐Ÿ’™ ๐Ÿ’–
Went in for first trimester screening and got to see the babies. ๐Ÿ˜๐Ÿ˜ she couldn't really see nubs thanks to them wiggling and crossing their legs, but wondering if anyone would skull theory for me just for fun? Ps- we know thru blood test at least one is a boy! ๐Ÿ’™