"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 'Abdullah bin 'Umar : The Jew brought to the Prophet a man and a woman from amongst them who have committed (adultery) illegal sexual intercourse. He ordered both of them to be stoned (to death), near the place of offering the funeral prayers beside the mosque." - Sahih Bukhari 7:62:64 (read more)

"The Shafi´ites, Hanbalites and Malikites say: The verdict for the female apostate is the same as for the male. She must be called on to return to Islam for three days, prior to her death, for an evil-doer may have confused her understanding; thus the possibility exists for her being released from her confusion. Offering the apostate a time limit for repentance has been approved." - Abdurrahmani'l-Djaziri