Does cleaning a baby's diaper or touching poop/urine invalidate wudu? Read the scholarly rulings from Bin Baz and Ibn Uthaymeen on handling impurities.
In the name of Allah, the Most Gracious, the Most Merciful. All praise is due to Allah, and blessings and peace be upon the Messenger of Allah ﷺ.
Parents ask this one a lot, usually with a baby on one arm and the prayer time running out. The answer is simpler than most people expect. Wudu is broken by a fixed set of things, such as passing wind, urine, and stool leaving the body. Touching filth that came from someone else is not on that list. Being pure for prayer has two parts: being in a state of wudu and being free of impurity, and the two should not be mixed up.
The Standing Committee for Scholarly Research and Ifta (al-Lajnah ad-Da'imah) stated:
Wudu is not invalidated by washing impurity from the body of the person who has wudu or elsewhere.
Shaykh 'Abd al-'Aziz ibn Baz (may Allah have mercy on him) explained where the line falls:
As for touching blood, urine, and other impure substances, that does not invalidate wudu, but he must wash off whatever gets onto him.
He was also asked about a child's wet clothes:
Touching a child's clothes that are wet with urine does not invalidate wudu, but the one who touched it when it was wet has to wash his hand.
So the wudu stays, and the hand gets washed. You don't need to start over.
This is the part that worries people more. When you clean a baby, you will inevitably touch the private area, and many have heard that touching the private part breaks wudu.
Shaykh Muhammad ibn Salih al-'Uthaymin (may Allah have mercy on him) answered that touching the private part only affects wudu when it is done with desire (shahwah). Cleaning a child involves nothing of the sort:
If a woman washes her child, boy or girl, and touches the child's private part, she does not have to do wudu... because touching the private part without desire does not necessitate wudu. It is known that when a woman washes her children, desire does not even come to her mind, so if she washes her child, she only needs to wash her hands to get rid of any impurity that has got onto them...
If you change a diaper or clean up after your child:
Your wudu is still valid.
Wash the impurity off your hands, and anywhere else it touched you, before you pray.
Check your clothes as well. If urine or stool got on them, that has to be dealt with before the prayer too.
And Allah knows best.