John Gills Exposition of the Bible Commentary - Leviticus 15:19
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 euphemism is so called, in the same sense as the phrase is used of men, Leviticus 15:2 ; and so it distinguishes it from any flow of blood elsewhere, as a... read more
Matthew Henry's Complete Commentary - Leviticus 15:19-33
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 twelve years under her distemper, and had spent her estate upon physicians and physic in vain. This made the... read more