The
practice
____________________
contraception
____________________
as
old
as
human
existence
.
For
centuries
,
humans
have
relied
____________________
their
imagination
to
avoid
pregnancy
.
Ancient
writings
noted
on
the
Kahun
papyrus
dating
to
1850
BCE
refer
to
contraceptive
techniques
using
a
vaginal
pessary
of
crocodile
dung
and
fermented
dough
,
which
most
likely
created
a
hostile
environment
for
sperm
.
The
Kahun
papyrus
also
refers
____________________
vaginal
plugs
of
gum
,
honey
,
____________________
acacia
.
During
the
early
second
century
____________________
Rome
,
Soranus
of
Ephesus
created
a
highly
acidic
concoction
of
fruits
,
nuts
,
and
wool
____________________
was
placed
at
the
cervical
os
to
create
____________________
spermicidal
barrier
.
Today
,
the
voluntary
control
of
fertility
is
of
paramount
importance
____________________
modern
society
.
From
a
global
perspective
,
countries
currently
face
the
crisis
of
rapid
population
growth
that
has
begun
to
threaten
human
survival
.
____________________
the
present
rate
,
the
population
of
____________________
world
will
double
in
40
years
;
in
several
of
the
more
socioeconomically
disadvantaged
countries
,
populations
will
double
in
less
than
20
years
.
