Question 3: Does the Wudoo’ (ablution) of a woman become nullified if she touches her baby’s private parts while washing him or her?
Answer: Wudoo’ is nullified when a woman touches her baby’s private parts, whether the front or back passage, without a barrier. The Prophet (peace be upon him) ordered anyone who touches private parts to perform Wudoo’… read more here.
Question 89: If I touch my baby’s private parts while changing his clothes, does this nullify my Wudoo’ (ablution)?
Answer: All praise be to Allaah Alone, and peace and blessings be upon His Messenger, and his family and Companions!
Touching the private parts directly without barrier nullifies Wudoo’, regardless of the age of the person touched, for it is authentically narrated that the Prophet (peace be upon him) said… read more here.