"Such of your women as have passed the age of monthly courses, for them the prescribed period, if ye have any doubts, is three months, and for those who have no courses (it is the same): for those who carry (life within their wombs), their period is until they deliver their burdens: and for those who fear Allah, He will make their path easy." - Quran 65:4 (read more)

"Narrated Anas bin Malik: While we were sitting with the Prophet in the mosque, a man came riding on a camel. He made his camel kneel down in the mosque, tied its foreleg and then said: "Who amongst you is Muhammad?" At that time the Prophet was sitting amongst us (his companions) leaning on his arm. We replied, "This white man reclining on his arm." They then addressed him" - Sahih Bukhari 1:3:63 (read more)

"There is consensus amongst the Ulama of all four schools of thought (Mazaahib), that it is obligatory upon women to cover their faces when fitnah and evil is apprehended. There is no doubt of the widespread fitnah and prevalent evil nowadays. Hence it is imperative (waajib) for women to cover their faces when leaving their homes or in the presence of non-mahram males." - Mufti Shafiq Jakhura