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Prenatal Control of Hb Bart's Disease in Mainland China: Can We Do Better?
[alpha-thalassemia]
Abstract
The
aim
of
the
present
study
was
to
report
a
3
-
year
experience
on
the
prenatal
control
of
Hb
Bart
's
(
γ
4
)
disease
in
Mainland
China
.
All
pregnancies
with
fetal
Hb
Bart
's
disease
were
included
from
January
2011
to
December
2013
.
The
main
clinical
characteristics
of
the
affected
pregnancies
were
reviewed
,
including
maternal
reproductive
history
,
prenatal
care
in
the
current
pregnancy
,
the
gestation
of
pregnancy
at
the
time
of
booking
,
the
gestation
at
the
time
of
prenatal
diagnosis
(
PND
)
,
and
the
complications
associated
with
the
pregnancy
.
A
total
of
246
cases
of
fetal
Hb
Bart
's
disease
were
identified
during
the
study
period
;
among
these
,
177
(
72
.
0
%
)
were
diagnosed
in
early
gestation
(
≤
24
weeks
)
,
and
69
(
28
.
0
%
)
in
late
gestation
.
Most
(
87
.
0
%
)
of
the
patients
presenting
in
late
pregnancy
had
late
or
no
prenatal
care
.
Twenty
(
29
.
0
%
)
had
major
obstetrical
complications
in
patients
presenting
in
late
pregnancy
,
and
five
(
5
.
0
%
)
in
patients
presenting
in
relatively
early
pregnancy
.
The
delay
in
PND
deprived
couples
of
opportunities
to
make
informed
decisions
early
in
pregnancy
.
Efforts
for
designing
and
targeting
strategies
to
improve
the
timeliness
of
prenatal
care
are
urgently
needed
.
Diseases
Validation
Diseases presenting
"and five"
symptom
adrenal incidentaloma
alpha-thalassemia
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