Although the usual caveats about causation and correlation apply, researchers found that these associations remained, though to a lesser extent, after adjusting for the BMI of the mothers and their diet quality.
These are issues that astronauts face when experiencing weightlessness, so with half your weight, it stands to reason that similar things would happen but to a lesser extent.
This dinosaur lived around 122 million years ago and also has evidence of that stiffening of the tail that formed the handle, though to a lesser extent than Gobisaurus.