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1
in
33
babies
in
the
US
is
affected
by
a
major
birth
defect
.
在美国，胎儿先天缺陷的几率为33分之1。
While
birth
dffects
can
be
genetic
,
or
inherited
,
some
can
be
caused
by
things
a
woman
does
before
or
during
pregnancy
such
as
using
alcohol
or
tobacco
,
先天缺陷有可能是基因造成，也有可能是先天遗传造成，女性在怀孕期间抽烟或饮酒，
having
uncontrolled
diabetes
,
taking
certain
medications
or
being
obese
at
the
beginning
of
pregnancy
.
患有糖尿病，肥胖症，或是在怀孕早期服用某种特定药物，这些都会造成胎儿先天缺陷。
Women
can
greatly
improve
their
chances
of
giving
birth
to
a
healthy
baby
by
consuming
400
mg
of
the
B
Vitamin
,
folic
acid
every
day
before
and
during
pregnancy
;
在怀孕前后，每天服用400毫克叶酸会大大增加女性孕育健康婴儿的几率；
maintaining
a
healthy
weight
,
controlling
diabetes
and
abstaining
from
alcohol
and
tobacco
during
pregnancy
.
在怀孕期间保持健康体重，控制糖尿病，忌烟忌酒。
