Musannaf Ibn Abi Shaybah 7464 — Those who ordered that

Yazid al-Sadafi said: Sayyiduna Uqbah bin Amir (may Allah be pleased with him) used to instruct the menstruating woman to perform ablution at the time of prayer, sit in the courtyard of the mosque and remember Allah, say La ilaha illallah (there is no god but Allah) and glorify Allah Almighty.