Varicoceles
can
have
detrimental
____________________
on
sperm
concentration
,
motility
,
and
____________________
,
and
can
reduce
sperm
DNA
integrity
and
____________________
aspects
of
sperm
function
.
Several
theories
have
____________________
proposed
to
explain
the
harmful
effect
of
____________________
on
sperm
quality
,
including
the
possible
effects
of
pressure
,
oxygen
deprivation
,
heat
injury
,
and
____________________
.
