EHMT1 and Kleefstra syndrome: Based on the description of signs in her first baby, it is rational to speculate the previous baby with 9q34.3 terminal/subtelomeric deletion syndrome, or Kleefstra syndrome 1 (KS1, MIM: # 610,253), caused by heterozygous EHMT1 defect, however, the previous results of genetic tests in her first baby were not retrievable.