Day Family, 18q-, Southwest Region
Tozetto Vettorazzi Family, 18q-, Brazil
Ghunney Family, Trisomy 18, Northeast Region
Thoennes Family, 18q-, Rocky Mountain Region
Manuel Family, Tetrasomy 18p, Australia
Reve Family, Ring 18, France
Romaezi Family, 18p-, Mid-Atlantic Region
Dias Family, Tetrasomy 18p, Brazil
Kontakinou Family, 18q-, Greece
Delaney (Katrina) & Tomey (Steven) Family, 18p-, Northeast Region
Donahue Family, 18q-, Southeast Region
O'Brien Family, 18q-,, Northeast Region
Scott Family, Tetrasomy 18p, England
Delaney (Johanna) Family, 18p-, Northeast Region
Leland Family, 18q-, Northeast Region
Coker Family, 18q-, Southeast Region
Suttles Family, Pitt Hopkins, South Central Region
Kuykendall Family, 18q-, Southeast Region
Pietri Family, Ring 18, France