Down Syndrome

Down syndrome (Trisomy 21) is a genetic condition where a person has an extra copy of chromosome 21. It causes characteristic physical features, some degree of intellectual disability, and a higher rate of certain health conditions. With modern medical care, education, and support, many people with Down syndrome live long, meaningful, engaged lives.

Common features and associated health conditions

• Physical features — small head, flat facial profile, upward-slanting eyes, small ears, short neck, single palmar crease, short fingers, low muscle tone in infancy.
• Heart defects — around half of babies; congenital heart evaluation at birth is essential.
• Thyroid disease — annual checks recommended.
• Hearing and vision problems — more common; regular screening.
• Leukaemia — slightly higher risk in childhood.
• Gastrointestinal conditions — duodenal atresia, Hirschsprung's; checked at birth.
• Sleep apnoea — common; evaluate.
• Immune and infection issues — more ear infections, pneumonia.
• Early-onset Alzheimer's — in later adulthood.
• Atlantoaxial instability — need caution with certain sports; periodic imaging review.

Care through the lifespan

• Newborn — full paediatric review, ECHO, thyroid, hearing, eye, GI check.
• Infancy and childhood — early intervention (physio, speech, OT, special education), regular growth and development monitoring, annual thyroid, hearing, vision, sleep assessments.
• Adulthood — regular health check, screening for thyroid, heart, dementia, cancer; inclusion in community, work, relationships.
• Vaccines on standard schedule; annual flu vaccine; pneumococcal.

Education and participation

• Most children with Down syndrome benefit from inclusive education, specialised educational support, speech and occupational therapy.
• Many learn to read, write, use public transport, work (with support where needed).
• Social, recreational and vocational opportunities make a real difference.
• Down Syndrome Federation of India and local parent networks provide practical help.

Prenatal screening — a personal choice, responsibly offered

Non-invasive prenatal testing (NIPT), combined ultrasound and blood markers, and amniocentesis are available in India to screen or diagnose Down syndrome prenatally. The offer should be neutral, non-directive, and accompanied by informed counselling about what the condition actually involves — today, that picture is very different from old stereotypes. Decisions are deeply personal and family-specific.