SB 11.22.47

niṣeka-garbha-janmāni
 bālya-kaumāra-yauvanam
vayo-madhyaṁ jarā mṛtyur
 ity avasthās tanor nava
Word for word: 
niṣeka — impregnation; garbha — gestation; janmāni — and birth; bālya — infancy; kaumāra — childhood; yauvanam — and youth; vayaḥ-madhyam — middle age; jarā — old age; mṛtyuḥ — death; iti — thus; avasthāḥ — ages; tanoḥ — of the body; nava — nine.
Translation: 
Impregnation, gestation, birth, infancy, childhood, youth, middle age, old age and death are the nine ages of the body.