Stay-at-home parents could face cuts to their childcare subsidies to give vulnerable children and those whose parents both work priority access to childcare centres.
Currently parents who do not work or study, are able to access 24 hours of subsidised care for their child each week.
Childcare Minister Sussan Ley said one of the reasons working parents struggled to find a childcare place for their baby or toddler was because stay-at-home mothers were clogging the system.
The federal government has proposed restricting these subsidies by forcing stay-at-home parents to pay more or cut the number of days their children attend childcare.
Stay-at-home mum Alison Habulin of Beaumont Hills said childcare should not be prioritised for working parents.
"I am a stay-at-home mum by choice," she said. "I send one child to childcare once per week for socialisation and school readiness.
"I only get $14 in subsidies a week, and I don't think it is fair that spots could be lost just because I stay at home.
"I still pay a high amount."
Eilish Bailey agreed.
"Maybe they should look at waiting lists," she said. "You should not be able to wait-list a foetus. If that child isn't born yet they shouldn't be able to reserve a place at a childcare centre."
Childcare worker Rebecca Attuell said care should be available to all parents.
"If working parents are complaining they can't find a spot for their child it falls back on them for not being organised," she said.
"They need to look at childcare centres in advance and fill out waiting list forms."
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