Is istibra necessary before ghusl?

- Is it permissible to urinate and then to make ghusl before making istibra?

Dear Brother / Sister,

If a person who has a wet dream or a sexual intercourse makes ghusl before urinating, walking for a while or sleeping and if the remaining sperm comes out after ghusl, he has to make ghusl again.

However, if sperm comes out without lust after he urinates, walks for a while or sleeps, he does not have make ghusl again. For, sperm comes out without lust in that case.

If the sperm of her husband comes out from a woman after she makes ghusl, she does not have make ghusl again.

It is permissible to urinate and then to make ghusl before making istibra because urine that comes out while making ghusl does not harm ghusl but it harms wudu. Therefore, if something that invalidates wudu while making ghusl happens, only wudu is invalidated; ghusl is valid. 

However, it is better to make ghusl in a way that will not invalidate wudu.

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