اَللَّاوِيِّينَ 15:28

وَإِذَا طَهُرَتْ مِنْ سَيْلِهَا تَحْسُبُ، لِنَفْسِهَا سَبْعَةَ أَيَّامٍ ثُمَّ تَطْهُرُ.

But if she be cleansed of her issue, then she shall number to herself seven days, and after that she shall be clean.