The Messenger of Allah ﷺ said to them while washing her daughter: Begin with her right side, and the places where the ablution is performed.
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لَهُنَّ فِي غُسْلِ ابْنَتِهِ ابْدَأْنَ بِمَيَامِنِهَا وَمَوَاضِعِ الْوُضُوءِ مِنْهَا