(112) باب الشَّهِيدِ
It was narrated that Safwan bin Umayyah said:
"The plague, abdominal illness, drowning and dying in childbirth are martyrdom." (One of the narrators) said: Abu 'Uthman narrated this to us several times, and on one occasion he attributed it to the Prophet. (ID)
Reference (ID): Sunan an-Nasa'i 2054 (ID)
In-book reference (ID): Book 21, Hadith 238 (ID)
English translation (ID): Vol. 3, Book 21, Hadith 2056 (ID)