One includes children who have not reached puberty in a list of those before whom woman may adopt a more relaxed standard of dress than what is normally stipulated in the verse 31 of An-Nur (24:31).
In this way God makes clear His revelation for you-God knows and is wise"Before the age of puberty, a person's faults and crimes are not generally considered as irrevocable according to the hadith.
[8] In another hadith of Abu Dawood, Muhammad also said, bathing is obligatory in the weekend day of Jumuah prayer (Friday) for every male who reached puberty.
The characteristics or signs of puberty in girls are pubic hair, menstruation, wet dreams and the ability to conceive.
However, only after a separate condition called rushd, or intellectual maturity to handle one's own property, is reached can a girl receive her bridewealth.