Pregnancy questions

Skyler

I am pregnant with twins I was just looking at my 1st ultrasound an my 2nd one an noticed on my 1st at 9w 1 baby was 8.8 cm an the other was 10.7 cm. An the 2nd one baby is 8.2 cm an the other baby is 9.6 cm I am now 14w should this be concerning?