The plan to cut the number of neonatal intensive care units from eight to three was announced in 2017.
Dr Susan Gilby says she found a "general feeling of complacency" weeks after Lucy Letby's first arrest.
Plans will be "urgently" developed for live-streaming cameras after an inquiry report into Lucy Letby's crimes.
Inquiry chair Lady Justice Thirlwall set out how the culture of the health system created the conditions that enabled poor care and criminality.
Parents are being urged to attend meetings linked to a major Sussex maternity review.
The trust says people have been coming into the building to sleep.
King's College Hospital's virtual tour of the unit will help families navigate, and explain medical jargon.
Jade Morris and Joe Bebbington began Felicity's Foundation after their daughter was stillborn.
The group has raised more than £20,000 for a neonatal care charity in the last 10 years.