عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ النَّوْفَلِيِّ عَنِ السَّكُونِيِّ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ قَالَ رَسُولُ اللَّهِ ( صلى الله عليه وآله ) مَنْ كَانَ يُؤْمِنُ بِاللَّهِ وَ الْيَوْمِ الْآخِرِ فَلَا يَتْرُكْ عَانَتَهُ فَوْقَ أَرْبَعِينَ يَوْماً وَ لَا يَحِلُّ لِامْرَأَةٍ تُؤْمِنُ بِاللَّهِ وَ الْيَوْمِ الْآخِرِ أَنْ تَدَعَ ذَلِكَ مِنْهَا فَوْقَ عِشْرِينَ يَوْماً .
11. Ali ibn Ibrahim has narrated from his father from al-Nawfaliy from al-Sakuniy who has said the following: “Abu ‘Abd Allah , has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, has said, ‘One who believes in Allah and in the Day of Judgment, must not keep his pubic hairs for more than forty days. It is not lawful for a woman who believes in Allah and in the Day of Judgment to keep that in her case for more than twenty days.’” 