Christina, left, with baby Alivia
Christina Chapman, 25, was last seen at her home address in Ilford on Wednesday, 18 September.
Police believe she is with her daughter Alivia.
Christina is described as 5ft 5ins tall, of large build, with brown hair which is always in a ponytail. She was last seen wearing a grey jumper, black jeans and black trainers. She was also carrying a black bag.
Alivia, has bright blue eyes, her hair has been cut short and she was last seen wearing a pink baby grow.
Officers are appealing for Christina to get in touch with police by calling 101, attending a police station or making herself known to a police officer.
Anyone with information as to her whereabouts is asked to call police in Redbridge via 101 quoting reference Cad 4157/18Sep
Tags: Redbridge, Missing Person, Ilford