Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 6
Sanskrit:
दृष्ट्वा तदुदरे बालं मायावत्यै न्यवेदयन् ।नारदोऽकथयत् सर्वं तस्या: शङ्कितचेतस: ।बालस्य तत्त्वमुत्पत्तिं मत्स्योदरनिवेशनम् ॥ ६ ॥
ITRANS:
dṛṣṭvā tad-udare bālammāyāvatyai nyavedayannārado ’kathayat sarvaṁtasyāḥ śaṅkita-cetasaḥbālasya tattvam utpattiṁmatsyodara-niveśanam
Translation:
Seeing a male child in the belly of the fish, the cooks gave the infant to Māyāvatī, who was astonished. Nārada Muni then appeared and explained to her everything about the child’s birth and His entering the fish’s abdomen.