Personal assistant is leasing when producing kids (9)

I believe the answer is:

parenting

I'm a little stuck... Click here to teach me more about this clue!

'producing kids' is the definition.
I can't judge whether this defines the answer.

'personal assistant is leasing' is the wordplay.
'personal assistant' becomes 'PA' (abbreviation).
'is leasing' becomes 'renting' (I've seen this in another clue).
'pa'+'renting'='PARENTING'

'when' is the link.

Can you help me to learn more?

(Other definitions for parenting that I've seen before include "Being a mum say" , "mom and pop art?" .)

I've seen this clue in the Sydney Morning Herald.

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