´It was narrated from Jabir bin 'Abdullah concerning Asma' bint Umais that when she gave birth at Dhul-Hulaifah, the Messenger of Allah (ﷺ) said to Abu Bakr:` "Tell her to perform Ghusl and (begin the Talbiyah)."
Hadith Referenceسنن نسائي / كتاب الحيض والاستحاضة / 392