Table 1

 Patient data (children of subfertile couples only)

FamilyTTP >2 yearsHT onlyICSIGenetic lesion
HT, hormone treatment; ID, imprinting defect; Other, other unknown defect.
1++Deletion
2++ID
3++Deletion
4++ID
5+Deletion
6+Other
7+Deletion
8+ID
9+Deletion
10+Deletion
11+ID
12+Deletion
13+Other
14+Deletion
15+Deletion
16+Deletion