We currently indicate as a guideline that after one year of hormone therapy, the setting for gender can be adjusted.

The results may not be completely accurate by then (yet), but a better-tuned guideline is not yet available for that.

A two-year study ("Variation in sensitivity and rate of change in body composition: steps toward individualizing transgender care") has shown that even after two years of hormone therapy, the change in body composition continues.

In some people, the change in body composition is faster than in others. There are also people in whom almost no change in body composition is measurable while taking hormone therapy.

What is important to keep in mind is that the algorithms and formulas in our devices are developed based on birth assigned gender.

Because of the physiological differences between a male and female body, the devices are calibrated differently for a male body than for a female body.

Generally, a woman gets incorrect and underestimated results with a measurement on the male mode and men get incorrect and overestimated results with a measurement on the female mode.

Because the results of hormone therapy on body composition are different for each individual, the results of the measurements may not be entirely accurate for a person in transition.

Currently, not enough research is available yet to adjust the algorithms and formulas.

If you or your client prefer(s) to switch gender setting before a year of hormone therapy has been taken because it feels better, that is of course possible.

Ultimately, it is most important that measurements are taken consistently, i.e. always with the same settings, to create a set of measurements that can be compared.

If the gender setting is changed during a long(er) term course, we recommend keeping the setting the same thereafter to create a renewed set of consistent measurements.