Evolution Medicine and Public Health,
Journal Year:
2021,
Volume and Issue:
9(1), P. 295 - 310
Published: Jan. 1, 2021
Evidence
linking
endometriosis
to
low
prenatal
testosterone,
and
evidence
that
risk
of
polycystic
ovary
syndrome
(PCOS)
is
associated
with
high
have
motivated
the
hypothesis
PCOS
exhibit
inverse
comorbidity.
The
comorbidity
predicts
populations
exhibiting
higher
prevalence
one
disorder
should
show
lower
other.
To
test
this
prediction,
data
were
compiled
from
literature
on
PCOS,
levels
serum
testosterone
in
women
during
pregnancy
digit
ratios
as
indicators
relation
variation
inferred
or
observed
population
ancestries.
Published
studies
indicate
rates
are
highest
Asian
populations,
intermediate
European
lowest
African
(i.e.
ancestry);
by
contrast,
being
women,
Europeans
individuals
populations.
Women
also
(which
may
increase
risk,
decrease
daughters),
(as
indicated
ratios),
than
women.
These
results
subject
caveats
involving
ascertainment
biases,
socioeconomic,
cultural
historical
effects
diagnoses,
quality,
uncertainties
regarding
genetic
environmental
bases
differences
causes
symptoms
endometriosis.
Despite
such
reservations,
findings
provide
convergent,
preliminary
support
for
model,
they
motivate
further
tests
its
predictions.
BMC Medicine,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Dec. 5, 2023
Abstract
Background
Endometriosis
affects
1
in
9
women,
yet
it
is
poorly
understood
with
long
diagnostic
delays,
invasive
diagnoses,
and
poor
treatment
outcomes.
Characterised
by
the
presence
of
endometrial-like
tissue
outside
uterus,
its
main
symptoms
are
pain
infertility.
often
co-occurs
other
conditions,
which
may
provide
insights
into
origins
endometriosis.
Methods
Here
a
polygenic
risk
score
phenome-wide
association
study
endometriosis
was
conducted
UK
Biobank
to
investigate
pleiotropic
effects
genetic
liability
The
relationship
between
for
health
blood
urine
biomarkers
reproductive
factors
were
investigated
separately
females,
males
females
without
an
diagnosis.
further
using
correlation
Mendelian
randomisation
approaches
identify
causal
relationships.
Results
Multiple
associated
each
group,
indicating
many
comorbidities
not
dependent
on
physical
manifestation
Differences
traits
highlighted
importance
sex-specific
pathways
overlap
traits.
Notably,
lower
testosterone
levels
identified.
Follow-up
analysis
utilising
suggested
be
both
clear
cell
ovarian
cancer.
Conclusions
This
highlights
diversity
irrespective
diagnosis
A
key
finding
identification
effect
randomisation.
Journal of Pain Research,
Journal Year:
2023,
Volume and Issue:
Volume 16, P. 307 - 316
Published: Feb. 1, 2023
Endometriosis
is
a
polygenic,
estrogen-dependent,
inflammatory
disorder
of
uncertain
aetiology
associated
with
pain,
infertility
and
reduced
quality
life.
While
the
positive
association
between
endometriosis
estrogen
established,
suite
recent
studies
has
demonstrated
an
inverse
presence
lesions
levels
testosterone
both
prenatally
postnatally.
The
following
narrative
review
provides
new
insights
into
roles
in
aetiology,
diagnosis,
management
symptoms,
especially
pain.
A
relatively
short
anogenital
distance
(AGD)
indicative
lower
during
fetal
development.
shorter
AGD
recently
been
correlated
higher
risk
developing
adult
life,
known
correlates
including
earlier
onset
reproductive
cycling,
ovarian
follicle
number,
postnatal
testosterone,
premature
insufficiency.
During
are
positively
key
comorbidities
endometriosis,
days
per
month
pelvic
pain
increased
sensitivity.
Biochemically,
pro-inflammatory
IL-1β
β-endorphin.
In
rodents,
prenatal
administration
to
females
reduces
their
sensitivity
adulthood.
emerging
convergent
links
low
provide
evidence
centrally
mediated
effect
beginning
early
development,
persisting
through
notable
effects
on
They
generate
novel
conceptual
framework
for
understanding,
studying
treating
this
disorder,
whereby
by
combination
high
endometrial
tissue
systemic
testosterone.
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(10), P. 2618 - 2618
Published: Sept. 23, 2023
We
investigated
whether
anogenital
distance
(AGD)
is
associated
with
adenomyosis,
endometriosis
and
uterine
leiomyomas
(UL,
also
called
fibroids).
recruited
81
women
UL,
105
ovarian
endometrioma
(OE),
116
28
both
adenomyosis
100
control
subjects
other
acquired
gynecological
conditions
but
not
endometriosis,
or
polycystic
syndrome.
Measurements
from
the
anterior
clitoral
surface
to
center
of
anus
(AGDAC),
tip
clitoris
(AGDACt),
posterior
fourchette
(AGDAF)
were
made
in
all
subjects.
Multiple
regression
was
performed
estimate
association
between
AGDs
presence
OE,
UL
while
controlling
for
possible
confounding
factors.
found
that,
compared
controls,
OE
had
significantly
shorter
AGDAF,
AGDAC.
However,
amount
variance
that
could
be
explained
by
disease
status
rather
moderate,
suggesting
factors
than
status,
bodyweight
height
responsible
AGD.
Thus,
prenatal
exposure
reduced
levels
androgen
may
increase
risk
developing
adenomyosis.
contribute
pathogenesis
Evolution Medicine and Public Health,
Journal Year:
2021,
Volume and Issue:
9(1), P. 295 - 310
Published: Jan. 1, 2021
Evidence
linking
endometriosis
to
low
prenatal
testosterone,
and
evidence
that
risk
of
polycystic
ovary
syndrome
(PCOS)
is
associated
with
high
have
motivated
the
hypothesis
PCOS
exhibit
inverse
comorbidity.
The
comorbidity
predicts
populations
exhibiting
higher
prevalence
one
disorder
should
show
lower
other.
To
test
this
prediction,
data
were
compiled
from
literature
on
PCOS,
levels
serum
testosterone
in
women
during
pregnancy
digit
ratios
as
indicators
relation
variation
inferred
or
observed
population
ancestries.
Published
studies
indicate
rates
are
highest
Asian
populations,
intermediate
European
lowest
African
(i.e.
ancestry);
by
contrast,
being
women,
Europeans
individuals
populations.
Women
also
(which
may
increase
risk,
decrease
daughters),
(as
indicated
ratios),
than
women.
These
results
subject
caveats
involving
ascertainment
biases,
socioeconomic,
cultural
historical
effects
diagnoses,
quality,
uncertainties
regarding
genetic
environmental
bases
differences
causes
symptoms
endometriosis.
Despite
such
reservations,
findings
provide
convergent,
preliminary
support
for
model,
they
motivate
further
tests
its
predictions.