They may also swallow air which can lead to abdominal bloating. Later on during regression, the child may experience periods of rapid breathing (hyperventilation) or slow breathing, including breath-holding. difficulty eating, chewing or swallowing, and sometimes constipation that may cause tummy aches.unsteadiness and awkwardness when walking.social withdrawal – a loss of interest in people and avoidance of eye contact.
periods of distress, irritability and sometimes screaming for no obvious reason.loss of the ability to use the hands purposefully – repetitive hand movements are often difficult to control and include wringing, washing, clapping or tapping.The child will gradually or suddenly start to develop severe problems with communication and language, memory, mobility, co-ordination and other brain functions. Some of the characteristics and behaviours are similar to those of autism. This stage usually begins between the ages of 1 and 4 and may last for any time from 2 months to more than 2 years. Stage 2: regressionĭuring stage 2, known as "regression" or the "rapid destructive stage", the child starts to lose some of their abilities. Stage 1 can often go unnoticed because the changes occur gradually and may be subtle. These symptoms typically begin from 6 to 18 months and often last for several months, although they can persist for a year or more. mobility problems, such as problems sitting, crawling and walking.unusual, repetitive hand movements or jerky limb movements.Stage 1 is sometimes described as "stagnation". There may be subtle signs of Rett syndrome before the child is recognised as having a problem (especially with hindsight). These are the main features of each stage: Stage 1: early signsĪt first, the child will appear to develop and grow normally for at least 6 months. Rett syndrome is described in 4 stages, although symptoms will often overlap between each stage. Some children with Rett syndrome are affected more severely than others. Also, the age at which symptoms first appear varies from child to child.Ī child may not have all the symptoms of Rett syndrome and their symptoms might change as they get older. It is estimated to affect about 1 in 12,000 girls born each year and is only rarely seen in boys. Rett syndrome is a rare genetic disorder that affects brain development, resulting in severe mental and physical disability.
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