A thoroughly normal woman should not be treated as an invalid during menstruation, as regards diet or anything else, except that very hot or cold baths, excessive physical or mental strain etc., should be avoided.

Various menstrual disorders, especially during the first year or two, indicate rest, confinement to the bed or lounge, and a diet corresponding to the relative quiescence.

Anaemia, thyroid disturbance etc., depending on menstruation, require the appropriate diet for those conditions, q.v.