Table 5 Prenatal diagnosis of fetuses of spinal muscular dystrophy carrier parents
Family | SMN1 of mother | SMN1 of father | SMN1 of fetus | Pregnancy outcomes |
|---|---|---|---|---|
1 | E7 and E8 heterozygous deletion | E7 and E8 heterozygous deletion | E7 and E8 homozygous deletion | Pregnancy terminated |
2 | E7 and E8 heterozygous deletion | E7 and E8 heterozygous deletion | E7 and E8 heterozygous deletion | Pregnancy continued |
3 | E7 and E8 heterozygous deletion | E7 and E8 heterozygous deletion | E7 and E8 heterozygous deletion | Pregnancy continued |