Woman charged after body of newborn found in bin

NSW police put out a desperate plea to find the baby's mother, saying their main priority was getting her medical care. 

More than three weeks later, police said a 24-year-old woman believed to be the infant's mother had been identified.

She was taken to hospital for assessment and then arrested upon her release on Thursday evening and taken to Auburn Police Station. 

The woman was charged with "mother alone conceal birth by disposing body".

She was granted conditional bail to appear before Downing Centre Local Court in October.

Auburn Police Area Acting Commander Darren Sly said it was believed the baby had been in the bin for up to 36 hours.

"It's sad and a horrific set of circumstances," he told reporters on the day the boy was found.