Early Signs of Rett Syndrome in a 2-Year-Old

If your little girl was reaching her milestones and then things seemed to quietly change, that worry deserves a gentle, careful look.

In short

Rett Syndrome typically shows a distinctive pattern: a baby who develops fairly normally in the first 6–18 months, followed by a slowing or loss of skills already gained. Around the age of two, signs to watch include loss of purposeful hand use replaced by repetitive hand movements (such as wringing, washing, mouthing or clapping motions), slowing head growth, loss of words or babble she once had, and difficulties with walking or balance. These are signs to observe and discuss promptly, never to diagnose at home — Rett Syndrome is a genetic condition that needs medical assessment, so an early paediatric and developmental check is the right first step.

Early signs to watch (around age 2)

Hand use and movements

• Loss of purposeful hand skills she previously had (holding a toy, feeding herself)
• Repetitive, almost continuous hand movements — wringing, squeezing, washing-like motions, tapping or bringing hands to the mouth
• Hands seeming to lose their "job" during waking hours

Communication and social engagement

• Loss of spoken words or babble that had emerged earlier
• Reduced eye contact at first, though intense, communicative eye gaze often returns and becomes a real strength
• A period of social withdrawal that may later ease

Movement and growth

• Slowing of head growth compared with earlier (often noticed on the growth chart)
• Difficulty walking, an unsteady or stiff-legged gait, or loss of walking she had achieved
• Reduced muscle tone, or stiffness, and trouble with coordination

Other patterns

• Periods of irritability or unsettledness
• Irregular breathing patterns while awake (breath-holding, fast breathing)
• Teeth grinding

The hallmark that distinguishes Rett Syndrome from a simple delay is regression — a child losing skills she had clearly gained — together with the repetitive hand movements. This pattern warrants prompt medical attention rather than watchful waiting.

When to seek a check

Because Rett Syndrome involves loss of previously acquired skills, it should be assessed promptly — do not wait. Speak to your paediatrician soon if you notice your daughter losing hand skills or words she once had, developing repetitive hand movements, or if her head growth appears to be slowing. Rett Syndrome is most often caused by changes in the MECP2 gene and is usually confirmed through clinical evaluation and genetic testing arranged by a paediatrician or developmental specialist. Early referral opens the door to therapy and family support that genuinely helps.

The Pinnacle way

At Pinnacle Blooms Network, we begin with your daughter's strengths — her gaze, her connection, her will to engage — and build supportive, joyful therapy around them. Once a medical diagnosis is in place, coordinated occupational therapy and communication support help maintain skills, encourage hand use and eye-gaze communication, and guide families day to day. A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre under qualified clinician care; nothing here is a diagnosis. You can learn more about Rett Syndrome and how support works. Across 70+ centres in 4 states and 4.95 lakh+ families served, our aim is steady, strengths-first progress alongside your medical team.

Trusted sources

Aligned with WHO ICD-11 (LD90.0), American Academy of Pediatrics and HealthyChildren.org guidance on developmental regression and surveillance, and CDC resources on developmental milestones.

Next step — if you've noticed any loss of skills or these hand movements, please see your paediatrician promptly, and connect with our clinical team on WhatsApp at +91 91001 81181 so we can understand and support your daughter together.

This is general information, not a diagnosis — individual assessment and diagnosis require an appropriately qualified healthcare professional.