A missing mates are putting their "baby astatine hazard by not accessing aesculapian care", a elder midwife has said.
Constance Marten, her spouse Mark Gordon, 48 - a convicted enactment offender - and their babe person been missing for much than six weeks.
Their car was recovered connected occurrence adjacent Bolton connected 5 January, and it is believed Ms Marten gave commencement either successful oregon adjacent the car a time oregon 2 earlier.
Detectives person said the household could beryllium "absolutely anyplace successful the UK".
Ms Marten, 35, and her babe are not thought to person received aesculapian attention.
The Metropolitan Police has made a renewed entreaty to find the mates and their baby.
The household were past seen connected 8 January walking on Cantercrow Hill, successful Newhaven - but constabulary accidental considering the clip that has passed they could person moved immoderate sizeable region since then.
Addressing Ms Marten, manager of midwifery for Barts Health NHS Trust Shereen Nimmo said "it's not excessively late" to get assistance and "to marque definite your babe is healthy".
"Constance, my sanction is Sheeran and I'm present to talk to you arsenic a midwife and a mother. I americium not present to justice you but present to assistance you and your baby."
She urged Ms Marten "to bash the close thing", adding: "All we privation to bash is assistance you."
"You're putting your babe astatine hazard by not accessing aesculapian care, truthful it's truly important that you travel and spot a midwife, doc oregon different healthcare nonrecreational arsenic soon arsenic possible", said Ms Nimmo.
"Sleeping with your babe successful an unsafe situation puts them astatine risk," she added.
She said without midwifery and aesculapian assistance "your babe mightiness not beryllium getting the champion commencement successful beingness that we cognize you privation for them".
It is chartless whether the babe was full-term oregon has immoderate wellness issues, which is wherefore officers stay committed to uncovering them, the unit said.
Det Supt Lewis Basford said the unit had been "working astir the timepiece down the scenes" and had viewed much than 630 hours of CCTV.
"I would similar to accent that we are not doing this and putting truthful galore resources and efforts into uncovering the household conscionable to beryllium awkward oregon to interfere.
"We person a genuine interest for the wellness and wellbeing of the baby, and Constance and Mark, and it is our work to guarantee that they are okay."
He urged the nationalist to beryllium mindful that Ms Marten and Mr Gordon mightiness not ever beryllium retired unneurotic and 1 could beryllium gathering supplies portion the different stays with the baby.
"They could beryllium perfectly anyplace successful the UK, truthful we request everyone to stay vigilant", added Det Supt Basford.
Police antecedently said the mates and their babe were thought to beryllium camping successful the East Sussex countryside.
The babe was little than a week aged erstwhile the household arrived astatine the East Sussex larboard by taxi conscionable earlier 05:00 GMT connected 8 January.
Police accidental the mates near their location successful Eltham, south-east London, successful September 2022 erstwhile Ms Marten began showing signs of pregnancy, and person since led a nomadic lifestyle.