Circumcision was to be done on the eighth day of life, which was ideal with regard to the blood’s ability to clot. ​ — wp18.1, p.
وَهٰذَا ٱلتَّوْقِيتُ فِي مَحَلِّهِ لِأَنَّ قُدْرَةَ ٱلدَّمِ عَلَى ٱلتَّخَثُّرِ تَكُونُ فِي ٱلْمُسْتَوَى ٱلْمُلَائِمِ .‏ —‏ ب -‏ عم١٨ /‏ ١ ص ٧‏ .‏