"One of the wives of Messenger of Allah ﷺ joined him in Iʿtikaf and she noticed blood and yellowish discharge (from her private parts) and put a dish under her when she prayed."
قَالَتِ اعْتَكَفَتْ مَعَ رَسُولِ اللَّهِ ﷺ امْرَأَةٌ مِنْ أَزْوَاجِهِ فَكَانَتْ تَرَى الدَّمَ وَالصُّفْرَةَ وَالطَّسْتُ تَحْتَهَا وَهْىَ تُصَلِّي