What does 'CRL' on dating scan mean?

[TotorosOcarina]

CRL: 37mm

? thanks

Crown-rump length (CRL) is the measurement of the length of human embryos and foetuses from the top of the head (crown) to the bottom of the buttocks (rump). Source: wikipedia.

Crown - Rump Length?

Don't know, not a professional, but it would be my most logical guess

oops, x post.

But I guessed right!

brilliant!

thanks