Musannaf Ibn Abi Shayba 3:5242

Abu al-Ahwas narrated to us, from Sa’id ibn Masruq, from Abu ‘Amr al-Shaybani, who said: I heard the master of this house—meaning Ibn Mas’ud—swear an oath, and he was emphatic in his oath: "No woman has performed a prayer more beloved to Allah than a prayer in her house, except for (a prayer performed) during Hajj or ‘Umrah, or a woman who has reached menopause (and is no longer sought after for marriage)."