It wasnarrated that Jabir said:
"Asma' bint 'Umais gave birth toMuhammad bin Abi Bakr and sent word to the Prophet (ﷺ). He told herto take a bath, fasten a cloth around her private part and begin theTalbiyah." (JA)
English reference (JA): Vol. 4, Book 25, Hadith 2913 (JA)
Arabic reference (JA): Book 25, Hadith 3025 (JA)