ARTICLES
only in the measurements at ages 6, 9, and
the magnitudes of the differences was
noted as the boys grew older.
In general, the boys exposed at age 5
years or below appear to have growth
curves parallel to those of the unexposed
group, but remain 5 to 10 cm shorter in
stature than unexposed boys of the same
age (Fig. 1). The notable exceptions to
this generalization are 2 of the 4 boys exposed at 16 to 17 months of age. Both of
these boys, at age 10 years, are roughly
comparable in stature to the 6-year-old un-
exposed boy. Subject No. 3 was 6.8 cm
below the median height for the unexposed
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AGE (YEARS)
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Fic. 3. Median weights of. boys, 1958 through
1963. A trend, notstatistically significant, for the
younger boys of the exposed group to be lighter
in weight in comparison with the control group
is noted.
when he was5 yearsold, and at age 10 he
was 19.5 cm below the median height for
the unexposed. Subject No. 5 was 9.6 cm
170+
7
160;-
7
at age 5 years, as compared with 22.9 cm
at 10 years.
Boys exposed at ages 6 to 12 years
showed no differences in stature from unexposed boys of the same age. Since there
were only 2 boys exposed in the 12- through
,
a)
é 150,
13-year-age range, the data available did
uo
not justify any conclusion regarding the
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effect of exposure about the time of puberty.
.
4
stature of the exposed girls as compared
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There is no evidence of retardation of
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ety
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MEDIAN STATURES 1958-1963 GIRLS
o#—* EXPOSED
“
o---0 CONTROL
i00
3485
Lop to top pb db td
6 7 8 9 OH 12 13 14 15 16 7
CHRONOLOGICAL AGE (YRS)
Fic. 2. Statural growth of girls, 1958 through 1963.
Nosignificant differences exist between the exposed
and non-exposed groups of girls.
/
“%
below the median height for the unexposed
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;
with the unexposed group, regardless of
age at exposure (Fig. 2). There are no
statistically significant differences between
the two groups of girls with respect to
stature at any age at which measurements
were made, nor are there any individuals
who might be described as staturally retarded.
The trends for weights of exposed and
unexposed children (Fig. 3. and 4) are
-”
YT 1
PTT
40r~ ye EXPOSED
O-—-0 CONTROL
of these boys exposed at an early age was
exposed boys of the same age while the
other 7 showed varying degrees of retardation. No tendency toward diminution in
MEDIAN WEIGHTS 1956-1963
“T
10 years for the boys exposed at age 1, and
at age 11 for the boys exposed at ages 3
through 5 years, the retardation in stature
apparent at all ages at which measurements
were made. Two of the 9 boys exposed at
ages ] through 5 maintained statures comparable to the median statures of the un-
725