she gave birth to Muhammad bin Abi Bakr As-Siddiq in Al-Baida, Abu Bakr told the Messenger of Allah about that, and he said: "Tell her to perform Gusl then begin the Talbiyah.'' (Using translation from Nasāʾī 2663)
أَنَّهَا وَلَدَتْ مُحَمَّدَ بْنَ أَبِي بَكْرٍ بِالْبَيْدَاءِ فَذَكَرَ أَبُو بَكْرٍ ذَلِكَ لِرَسُولِ اللهِ ﷺ فَقَالَ «مُرْهَا فَلْتَغْتَسِلْ ثُمَّ لِتُهَلَّ»