Mas’ala 170مختصر المزنيShafi'ivol. 1, p. 103vol. 1, p. 103 وَإِذَا اتَّصَلَ بِالْمَرْأَةِ الدَّمُ نَظَرَتْ، Read the whole chapterCopy with source On the map: PurityCompare