It wasnarrated that 'Aishah said:
"Asma' bint 'Umais gave birth atShajarah, and the Messenger of Allah (ﷺ) told Abu Bakr to tell herto take a bath and begin the Talbiyah." (JA)
English reference (JA): Vol. 4, Book 25, Hadith 2911 (JA)
Arabic reference (JA): Book 25, Hadith 3023 (JA)