He divorced her for the third time and is saying that the first divorce was during a period of purity in which he had intercourse with her

Does touching with desire count as taking back a divorced wife?

He divorced his wife when she was in nifaas (post-partum bleeding) when she insisted on divorce

Her husband drinks alcohol; should she stay with him?

He said to his wife: If you have problems with me I will send you your papers; does this count as divorce (talaaq)?

Accepting what a woman says about the beginning and end of a period

His wife pretended to be religious before he married her, then she became heedless about prayer after marriage; should he divorce her?

Divorce by phone

Ruling on a divorce that was issued before consummation when the wife was menstruating

He said to his wife: If you do this thing you will be divorced