men married divorce women and she also 6 month pregnant. Is it allowed or not
It is valid to divorce a woman even if she is in Haidh or Nifas in the following circumstances:
(i) If the husband has not had sexual intercourse with her after marriage.
(ii) If it is known that she is pregnant. And if this fact is not known and the husband divorces her during Haidh, and he comes to know later that she was pregnant, that divorce will be valid, and as a recommended precaution he should divorce her again.
(iii) If due to the husband's absence or imprisonment, he is not able to ascertain whether or not she is Clean (tahir/pak) from Haidth or Nifas. But in this case, as an obligatory precaution, man must wait for at least one month after separation from his wife and then divorce.
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