´It was narrated from Umm Kurz that:` The Messenger of Allah said: "The urine of a boy should be sprinkled over and the urine of a girl should be washed."
Explanation & Benefits
Maulana Ataullah Sajid
Commentary:
It is clear from all the aforementioned narrations that during the period of infancy, if a girl urinates on clothing, the garment must be washed, whereas for a boy's urine, sprinkling water over it will suffice.
Source: Commentary on Sunan Ibn Mājah by Mawlānā ‘Atā’ullāh Sājid, Page: 527