Hair on 3D ultrasounds?

THE Brittany 🦄 • Railroad Wife 🚂 Mommy to Ava Grace (11/28/15) Colton David (3/15/19) #3 (our angel 👼🏻) and #4 Layla Rose (10/28/21)
Is it possible to see hair on a 3D/4D ultrasound?? The reason I ask is because I posted a picture from my ultrasound and everyone said it looks like hair but my tech said it was likely shadows. Was she just saying that to cover her own skin? Or was it really just shadows? Here's a few pictures from the ultrasound...