Several
hormones
can
be
measured
and
____________________
to
aid
in
the
diagnosis
of
pregnancy
.
The
____________________
commonly
____________________
assays
are
for
the
beta
subunit
____________________
hCG
.
Other
hormones
that
have
been
used
include
progesterone
and
early
pregnancy
____________________
.
The
cytotrophoblast
and
syncytiotrophoblast
each
secrete
a
variety
of
hormones
that
include
,
but
are
not
limited
to
,
corticotropin
-
releasing
hormone
,
gonadotropin
-
releasing
____________________
,
thyrotropin
-
releasing
hormone
,
somatostatin
,
corticotropin
,
____________________
chorionic
thyrotropin
,
human
placental
lactogen
,
inhibin
/
activin
,
____________________
growth
factor
-
beta
,
insulinlike
growth
factors
1
and
2
,
____________________
growth
factor
,
pregnancy
-
specific
beta
-
1
glycoprotein
,
placental
protein
5
,
and
pregnancy
-
associated
plasma
protein
-
A
.
To
date
,
no
commercially
____________________
tests
that
use
these
hormones
have
been
made
available
to
____________________
in
the
diagnosis
of
pregnancy
.