A mother who performed her own detective work is appealing for parents to be given more information about childcare abuse allegations as a police investigation continues.

Her plea was made outside Sydney's Parramatta Local Court following a brief hearing for a childcare worker charged with creating and transmitting child abuse material.

The man in his 30s, who cannot be named because of a court order, was charged in July after police seized about 1.4 million files from electronic devices at his home.

After Friday's hearing, the mother, who also cannot be named, told reporters she did her own investigation into the case after finding out her children may have been in contact with the accused at a centre.

"Disgust, anger, grief, everything," the woman said when asked for her feelings out

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