1- born with an extra copy of a chromosome
- can cause mental and physical challenges
down syndrome
21 in ___ babies are diagnosed with down syndrome
700
3what are the three types of down sydrome
trisomy 21 (95%)
translocation down sydrome (3%)
mosaic down syndrome (2%)
4what is a risk factor for down syndrome
maternal age
5when is down syndrome typically diagnosed
in utero
6how is down syndrome diagnosed
- blood testing
- ultrasound
- amnioscentesis
7what are common co-occuring conditions with down syndrome
Hearing loss
Sleep apnea
Ear/eye conditions
Heart defects present at birth
8what are some physical features of down syndrome
A flattened face, especially the bridge of the nose
Almond-shaped eyes that slant up
A short neck
Small ears
A tongue that tends to stick out of the mouth
Tiny white spots on the iris (colored part) of the eye
Small hands and feet
A single line across the palm of the hand (palmar crease)
Small pinky fingers that sometimes curve toward the thumb
Poor muscle tone or loose joints
Shorter in height as children and adults