Sahih Al Bukhari Hadith Number 1331

Narrated Samura bin Jundab: I offered the funeral prayer behind the Prophet (peace be upon him) for a woman who had died during childbirth and he stood up by the middle of the coffin.

23  Funerals (Al-Janaa’iz)
Hadith number 1331
Volume no 2
Chapter: 62 (The offering of the funeral Salat of a woman who died during the delivery (of a child)