Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 47
Sanskrit:
निषेकगर्भजन्मानि बाल्यकौमारयौवनम् ।वयोमध्यं जरा मृत्युरित्यवस्थास्तनोर्नव ॥ ४७ ॥
ITRANS:
niṣeka-garbha-janmānibālya-kaumāra-yauvanamvayo-madhyaṁ jarā mṛtyurity avasthās tanor nava
Translation:
Impregnation, gestation, birth, infancy, childhood, youth, middle age, old age and death are the nine ages of the body.