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Smith-Lemli-Opitz syndrome is a rare condition that affects how a child’s body grows and develops. Kids with this syndrome have trouble making cholesterol, which their bodies need to work properly. This can lead to various health issues and developmental delays.
How is Smith-Lemli-Opitz Syndrome diagnosed?
Diagnosis is typically made through genetic testing to identify mutations in the DHCR7 gene, along with a thorough evaluation of the individual’s physical and developmental characteristics.
Can Smith-Lemli-Opitz Syndrome be passed down in families?
Yes, Smith-Lemli-Opitz Syndrome is an autosomal recessive genetic condition, which means that both parents must carry a mutated DHCR7 gene for their child to inherit the syndrome.
How common is Smith-Lemli-Opitz Syndrome?
Smith-Lemli-Opitz Syndrome is considered a rare condition, with estimated prevalence ranging from 1 in 20,000 to 1 in 60,000 live births.
Can prenatal testing detect Smith-Lemli-Opitz Syndrome?
Yes, prenatal testing, such as chorionic villus sampling (CVS) or amniocentesis, can detect Smith-Lemli-Opitz Syndrome by analyzing the genetic material of the developing fetus. This can help families make informed decisions and plan for the future.
Smith-Lemli-Opitz syndrome (SLOS) is a genetic disorder characterized by a deficiency in 7-dehydrocholesterol reductase, an enzyme crucial for cholesterol biosynthesis. This deficiency results in abnormally low cholesterol levels and an accumulation of 7-dehydrocholesterol, leading to multiple congenital anomalies, intellectual disability, and behavioral problems. SLOS affects approximately 1 in 20,000 to 60,000 births.
Children with Smith-Lemli-Opitz Syndrome (SLOS) may exhibit various symptoms impacting their development and overall well-being. Here are some of the most common symptoms:
| Symptom | Description |
|---|---|
| Developmental Delays | Children with SLOS may experience delays in reaching developmental milestones such as sitting, crawling, or walking. |
| Intellectual Disabilities | Individuals with SLOS often have varying intellectual disabilities, affecting their learning and cognitive abilities. |
| Distinctive Facial Features | Some common facial features associated with SLOS include a small upturned nose, wide-set eyes, and a cleft palate. |
| Growth and Feeding Difficulties | Difficulties with growth and feeding can be observed, including poor weight gain and challenges with feeding and swallowing. |
| Sensory Issues | Sensory processing difficulties may be present, such as hypersensitivity or hyposensitivity to sensory stimuli. |
| Behavioral and Social Challenges | Children with SLOS may exhibit behavioral and social challenges, including hyperactivity, impulsivity, and difficulties with social interactions. |
Recognizing the symptoms of Smith-Lemli-Opitz Syndrome can guide parents in seeking appropriate support to optimize their child’s development and well-being.
This post was originally published on July 11, 2023. It was updated on July 25, 2024.
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