Placenta
previa
____________________
an
____________________
complication
that
____________________
presents
as
____________________
vaginal
bleeding
in
the
____________________
trimester
secondary
to
an
abnormal
placentation
near
or
covering
the
internal
cervical
os
.
However
,
____________________
the
technologic
____________________
in
ultrasonography
,
the
diagnosis
of
placenta
previa
is
commonly
made
earlier
____________________
pregnancy
.
Historically
,
____________________
have
____________________
three
defined
types
of
____________________
previa
:
complete
,
partial
,
and
marginal
.
More
recently
,
these
definitions
have
been
consolidated
into
two
definitions
:
____________________
and
____________________
previa
.
