Her husband divorced her and she got her period on the same day that the divorce papers were signed, then he took her back with a text message after three months

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Check below answers in case you are looking for other related questions:
Does touching with desire count as taking back a divorced wife?
Revocable divorce, irrevocable divorce and the threefold divorce

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Related Answers:
The ‘iddah of a woman divorced by talaaq
Documenting divorce in a civil, non-Islamic court
He divorced her via text message several times, and when she was menstruating, and when he was angry
Does touching with desire count as taking back a divorced wife?
Revocable divorce, irrevocable divorce and the threefold divorce

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