Weight, once a week for twelve weeks
Sunday morning, before breakfast
Your plan asks for 30 minutes on five days.
Weight moves by a kilo or more from day to day with fluid alone. That is why this asks once a week, always on the same day, and why the line matters rather than any single number.
Sources
Set up with the plan of 16 September: weekday, rhythm and end date chosen by the physician. The schedule ends on its own after twelve weeks.