سَأَلْتُ أَبَا الْحَسَنِ الْأَخِيرَ ع وَ قُلْتُ لَهُ إِنَّ ابْنَةَ شِهَابٍ تَقْعُدُ أَيَّامَ أَقْرَائِهَا فَإِذَا هِيَ اغْتَسَلَتْ رَأَتِ الْقَطْرَةَ بَعْدَ الْقَطْرَةِ قَالَ فَقَالَ مُرْهَا فَلْتَقُمْ بِأَصْلِ الْحَائِطِ كَمَا يَقُومُ الْكَلْبُ ثُمَّ تَأْمُرُ امْرَأَةً فَلْتَغْمِزْ بَيْنَ وَرِكَيْهَا غَمْزاً شَدِيداً فَإِنَّهُ إِنَّمَا هُوَ شَيْءٌ يَبْقَى فِي الرَّحِمِ يُقَالُ لَهُ الْإِرَاقَةُ وَ إِنَّهُ سَيَخْرُج
"I once said to abu al-Hassan al-Akheer (a.s.) that the daughter of Shihaab menstruates for many days, and when she performs ghusl, she sees drops (of blood) after drops." He said, "Order her to stand against the base of the wall as a dog stands, then command a woman to make a strong gesture with her legs spread apart,