Urgent search for missing mother Stephanie Castellanos, 28, who ‘recently gave birth’ and disappeared from Regent Street, Dee Why

A public appeal has been made for help locating a missing woman who has recently given birth.

Stephanie Castellanos, 28, was last seen on Regent Street in Dee Why on Sydney’s northern beaches at around 11.10pm on Friday.

Since she could not be located, the police were notified and began searching for her.

There is serious concern for Ms Castellanos’ well-being as she requires medical treatment after recently giving birth.

She is described as white, about 175cm tall, with long brown hair, brown eyes and a slim build.

She was last seen wearing a blue T-shirt, black pants and socks.

Anyone with information is asked to contact Northern Beaches Police or Crime Stoppers on 1800 333 000.