Are Down syndrome patients fertile?
While females with Down syndrome are reported to be fertile or subfertile, males are reported to be infertile. To date, there are reports of three pregnancies that were fathered by two male Down syndrome patients (1, 2). We report a case of a nonmosaic Down syndrome male who fathered a normal child.
Why are males with Down syndrome sterile?
Infertility in males has been attributed to defective spermatogenesis, but ignorance of the sexual act may be one of the contributing factors. It is important to advise postpubertal Down syndrome males on contraceptive measures.
Do kids with Down syndrome have big tongues?
People with Down syndrome may have large tongues or they may have an average size tongue and a small upper jaw that makes their tongue too large for their mouth. It is also common for people with Down syndrome to have grooves and fissures on their tongues.
Why do Down syndrome have bad teeth?
MALOCCLUSION is found in most people with Down syndrome because of the delayed eruption of permanent teeth and the underdevelopment of the maxilla. A smaller maxilla contributes to an open bite, leading to poor positioning of teeth and increasing the likelihood of periodontal disease and dental caries.
Why do people have Down syndrome eyes?
The most common eye findings include: Refractive errors – Children with Down syndrome are more likely to need glasses than are other children. This may be due to myopia (near-sightedness), hyperopia (far-sightedness), and/or astigmatism. Refractive error may develop early in life or later on.
Does Down syndrome have supernumerary teeth?
Supernumerary teeth are associated with Gardner’s syndrome, Cleidocranial dysplasia, Fabry-Anderson Syndrome, Ehlers-Danlos Syndrome, Down’s syndrome, Crouzon’s Disease, Hallermann Streiff Syndrome, and Orodigitofacial Dysostosis.
Is it rare to have extra teeth?
How common is hyperdontia? The prevalence of hyperdontia is between 1% and 4% of the population with a male to female ratio of 2:1; the majority of cases are limited to a single tooth. There have been reported cases of over 30 supernumerary teeth in one person, but such large numbers are rare.
When do children with Down syndrome get their teeth?
People with Down syndrome usually do not get their first teeth until they’re about 1 year old. They might be 4 or 5 years old before they have all of their baby teeth.
Are Down syndrome smart?
People with Down syndrome usually have an IQ (a measure of intelligence) in the mildly-to-moderately low range and are slower to speak than other children. Some common physical features of Down syndrome include: A flattened face, especially the bridge of the nose.
Is Macroglossia common in Down syndrome?
Macroglossia is uncommon. Generalized macroglossia, as seen in association with Beckwith-Wiedemann syndrome, with glycogen storage diseases (Hunter and Hurler syndromes) or hypothyroidism, is rare. Relative macroglossia can be seen normally on occasion but is most common in Down syndrome.