Table 1
Increase in the DM1 expansion on transmission to CDM/non-CDM offspring
Classical onset DM1 mothers
CDM offspring (n=30)
Non-CDM offspring (n=62)
Maternal DM1 repeat size
1.98 kb (0.23–5 kb)
0.71 kb (0.12–3.5 kb)
Increase in repeat size on transmission
1.88 kb (−1.1–5.1 kb)
1.32 kb (−1.0–3.775 kb)