The Doctors Union says they were caught off guard after 20 obstetricians resigned from Blacktown Hospital.

The medical professionals resigned in protest over what they say is a lack of appropriate action taken to ensure their obstetrics unit is appropriately staffed.

It comes after the deaths of four newborns in an 18-month period.

The Doctors Union Executive Director Andrew Holland told Ben Fordham they weren’t aware of the intention to resign.

“There’s been no consultation with us. I don’t think it would have been the desired course of action we would have recommended.”

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