Developmental Milestones
Table 2 shows what developmental milestones subjects achieved and when
available, the age at which they achieved them. Of those who responded
to the developmental milestone questions, all (12 of 12) reported that
the affected individual was able to hold their head up and turn back to
the front (10 of 10). Ninety-one percent (10 of 11) were able to turn
front to back. Fifty-four percent (6 of 11) were able to crawl either
combat and/or belly style. Thirty-six percent (4 of 11) were able to
pull to a sit but only 17% (2 of 12) were able to sit alone. Thirty-one
percent (4 of 13) were able to take their first steps, one “with
help”, one “with a kiddie walker”, and one “with assistance and
support. None (12 of 12) were able to stand alone, and none (11 of 11)
were able to climb stairs. Thirty-three percent (4 of 12) were able to
pedal a tricycle. Regarding toileting, 60% (9 of 15) had achieved
toilet training.
In terms of language development, 83% (10 of 12) demonstrated the
ability to babble, 81% (13 of 16) were able to speak their first words,
and 50% (6 of 12) were able to speak in sentences.