In volume 27 - 43 of "Konjaku Monogatari Shu" (The Tale of Times Now Past), there is 'Tale of TAIRA no Suetake, who is a vassal of Yorimitsu, meeting ubume (women immediately after giving birth).'
『今昔物語集』巻27－43には、「頼光の郎等平季武、産女にあひし話」がある。