It is narrated from Hazrat Asma (may Allah be pleased with her) that Muhammad bin Abi Bakr was born at the place of Bayda. Hazrat Abu Bakr (may Allah be pleased with him) mentioned this to the Prophet (peace and blessings be upon him), so the Prophet (peace and blessings be upon him) said: "Tell her to perform ghusl (ritual bath) and recite the talbiyah."