“…Studies in TGD people have historically been cross-sectional with more recent studies using longitudinal designs with repeated measures to better characterize health trajectories. ( Calvetti et al, 2022 , Reisner et al, 2021 ) This provides a unique opportunity to concurrently test for gender identity fluidity and its more proximal effects on mental and physical health. The time frame in which changes in gender identity are measured is also an important consideration.…”