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.
نُفِسَتْ أَسْمَاءُ بِنْتُ عُمَيْسٍ بِمُحَمَّدِ بْنِ أَبِي بَكْرٍ بِالشَّجَرَةِ فَأَمَرَ رَسُولُ اللَّهِ ﷺ أَبَا بَكْرٍ أَنْ تَغْتَسِلَ فَتُهِلَّ