When a woman has a discharge consisting of blood from her body, she will be unclean due to her menstruation for seven days, and anyone who touches her will be unclean until evening.
19. And if a woman have an issue. Women are now spoken of who suffer under a twofold issue of blood; for with almost all it occurs every month, (whence it is called menses, or menstruation,) and some labor under a constant hemorrhage.
This is concerning the ceremonial uncleanness which women lay under from their issues, both those that were regular and healthful, and according to the course of nature (Lev 15:19-24), and those that were unseasonable, excessive, and the disease of the body; such was the bloody issue of that poor woman who was suddenly cured by touching the hem of Christ's garment, after she had lain...
Commenting on Leviticus 15:19-33
And if a woman have an issue,.... Having finished, as Aben Ezra observes, what was to be said of the male, now the Scripture begins with the female, whose issue, of a different sort, is thus described: and her issue in her flesh be blood; or, "blood be her issue in her flesh"; not in any part of her, but in that which by an...