Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 34
Sanskrit:
स एव वा भवेन्नूनं यो मे गर्भे धृतोऽर्भक: ।अमुष्मिन् प्रीतिरधिका वाम: स्फुरति मे भुज: ॥ ३४ ॥
ITRANS:
sa eva vā bhaven nūnaṁyo me garbhe dhṛto ’rbhakaḥamuṣmin prītir adhikāvāmaḥ sphurati me bhujaḥ
Translation:
Yes, He must be the same child I bore in my womb, since I feel great affection for Him and my left arm is quivering.