Intervening Purity (Tuhr Mutakhallil)
Question
The situation is this: a woman gave birth for the first time, and the blood of nifas continued for 20 days; after that she remained pure for 19 days, then on the twentieth day blood came — what kind of blood is it? And it continued up to [the length of] her habitual hayd — is it hayd or nifas? Also, during the 19 days of purity in between, may she pray, fast, [have] intercourse and so on, or not? If she may not pray, is qada' (making up) obligatory on her or not? And if she did pray, is her prayer valid or not?
Answer
The 19 days of purity that followed the 20 days are tuhr mutakhallil (intervening purity), which is like continuous blood (ka-l-dam al-mutawali). During it prayer, fasting and intercourse are not proper. If she kept a Ramadan fast during this period, she should keep it again; if she did not pray, qada' of it is not required; if intercourse took place, istighfar (seeking…
Source: Fatawa Mahmudiyya
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