Asma daughther of 'Umais gave birth to Muhammad bin Abi Bakr at Shajarah. The Messenger of Allah ﷺ commanded Abu Bakr to ask her to take a bath and wear ihram. (Using translation from Abū Dāʾūd 1743)  

نُفِسَتْ أَسْمَاءُ بِمُحَمَّدِ بْنِ أَبِي بَكْرٍ بِالشَّجَرَةِ «فَأَمَرَ رَسُولُ اللَّهِ ﷺ أَبَا بَكْرٍ أَنْ تَغْتَسِلَ وَتُهِلَّ»  

“Asma’ bint ‘Umais gave birth at Shajarah, and the Messenger of Allah ﷺ told Abu Bakr to tell her to take a bath and begin the Talbiyah.” (Using translation from Ibn Mājah 2911)   

عَنْ جَابِرٍ فِي حَدِيثِ أَسْمَاءَ بِنْتِ عُمَيْسٍ حِينَ نُفِسَتْ بِذِي الْحُلَيْفَةِ «فَأَمَرَ رَسُولُ اللَّهِ ﷺ أَبَا بَكْرٍ أَنْ يَأْمُرَهَا أَنْ تَغْتَسِلَ وَتُهِلَّ»