en_tn/lev/15/25.md

she will be as if she were in the days of her period

This means that if the woman bleeds from her womb at any time other than her regular menstruation time, she is still unclean just like during her menstruation.

She is unclean ... Whoever touches ... will be unclean

People whom other people may not touch are spoken of as if they were physically unclean. (See: rc://en/ta/man/translate/figs-metaphor)