What is a projected implication for a person developed entirely in $0.38g$ if they are later exposed to Earth's $1g$ environment?

Answer

Significant muscle atrophy upon $1g$ exposure

Because the fetus develops without the full weight load, reduced load bearing requirements suggest significant muscle atrophy would occur if the individual were exposed to Earth's stronger pull.

What is a projected implication for a person developed entirely in $0.38g$ if they are later exposed to Earth's $1g$ environment?
reproductionMarsSpacehumanbirth