Fibroids and endometriosis can affect fertility in some people, but not everyone with either condition will have difficulty conceiving. The effect depends on factors such as location, severity, age and other fertility factors.
Educational only — not medical advice. If you have urgent symptoms, seek medical care.
You have been told you have fibroids.
Or maybe you have severe period pain and someone suspects endometriosis.
Your next thought may be:
“Does this mean I will not be able to have a baby?”
Not necessarily.
Both fibroids and endometriosis can affect fertility in some people.
But many people with these conditions still become pregnant naturally.
Fibroids and endometriosis can sometimes make pregnancy more difficult.
But the effect depends on:
where the fibroids are located
how large they are
how many there are
how severe endometriosis is
whether the fallopian tubes are affected
your age
whether you ovulate normally
sperm quality
other fertility factors
Having the diagnosis alone does not tell us whether you will have fertility problems.
Fibroids are non-cancerous growths made from muscle and fibrous tissue.
They grow in or around the uterus.
They are very common during the reproductive years.
Some people have one fibroid.
Others have several.
They can be:
very small
several centimetres across
occasionally much larger
Almost all fibroids are benign, meaning non-cancerous.
Having fibroids does not mean you have uterine cancer.
Some people have no symptoms.
Others may experience:
heavy periods
long periods
pelvic pressure
lower abdominal swelling
frequent urination
constipation
pelvic or back pain
Symptoms depend partly on size and location.
Sometimes.
But many people with fibroids conceive normally.
The impact depends strongly on where the fibroid is located.
Fibroids can grow in different parts of the uterus.
These push into the cavity of the uterus.
They are among the types most likely to interfere with fertility because they can distort the area where an embryo needs to implant.
These grow within the muscular wall of the uterus.
Whether they affect fertility can depend on their size and whether they distort the uterine cavity.
These grow mainly toward the outside of the uterus.
They are less likely to directly interfere with implantation.
Yes.
A tiny fibroid that does not change the shape of the uterine cavity may have little effect on fertility.
A larger fibroid that significantly distorts the uterine cavity may matter more.
This is why the statement:
“You have fibroids, so you need surgery before pregnancy”
is not correct for everyone.
No.
Treatment depends on:
symptoms
size
location
fertility history
age
previous pregnancies
whether the uterine cavity is affected
Surgery itself also has risks.
The decision should be individualized.
Some fibroids, especially those that distort the uterine cavity, may be associated with an increased risk of pregnancy loss.
But many pregnancies in people with fibroids progress normally.
The risk depends on the fibroid and the individual.
Endometriosis is a condition in which tissue similar to the lining of the uterus grows outside the uterus.
It may occur around areas such as:
ovaries
fallopian tubes
pelvic lining
other pelvic structures
It can cause inflammation and scarring.
Common symptoms include:
very painful periods
pelvic pain
pain during or after sex
pain with bowel movements during periods
pain when urinating during periods
fertility problems
Some people have severe disease with little pain.
Others have significant pain with less extensive disease.
Symptoms do not always tell us how severe it is.
Yes.
Endometriosis is associated with difficulty conceiving in some people.
It can affect fertility in several possible ways.
Endometriosis may affect:
pelvic anatomy
fallopian tube function
ovarian function
inflammation around reproductive organs
Severe scarring may interfere with the egg and sperm meeting.
Endometriosis involving the ovaries can also sometimes affect ovarian tissue.
Not necessarily.
Some people with endometriosis have open fallopian tubes and still conceive naturally.
Others may have scarring or adhesions that affect tubal movement or anatomy.
Testing may be needed if infertility occurs.
An endometrioma is an ovarian cyst related to endometriosis.
It is sometimes called a “chocolate cyst” because of the old blood it can contain.
Endometriomas can be associated with reduced ovarian reserve in some people.
Treatment decisions require care because surgery on the ovary may also affect healthy ovarian tissue.
No.
The decision depends on:
size
symptoms
age
ovarian reserve
fertility plans
previous surgery
whether assisted reproduction is being considered
Repeated ovarian surgery can sometimes reduce ovarian reserve.
This is why treatment should be planned with fertility goals in mind.
Yes.
Many people with mild or moderate endometriosis conceive naturally.
The chance depends on:
age
severity
tubal function
ovarian reserve
sperm factors
time already spent trying
Sometimes, yes.
But the best plan depends on your age and known disease.
For example, someone younger with mild endometriosis may reasonably try naturally for a period.
Someone older with more significant disease may benefit from earlier fertility assessment.
Often, yes.
If you already know you have endometriosis, especially with:
previous surgery
ovarian endometriomas
significant pelvic disease
age 35 or older
it may be sensible to discuss fertility earlier rather than automatically waiting 12 months.
Symptoms can raise suspicion, but they do not always confirm the diagnosis.
Assessment may involve:
history
physical examination
ultrasound
MRI in selected cases
sometimes surgery
Modern management does not require surgery for everyone simply to confirm suspected disease before any treatment is considered.
Ultrasound can identify some forms, especially ovarian endometriomas and certain deeper disease.
But a normal ultrasound does not completely rule out endometriosis.
Smaller superficial lesions may not be visible.
Usually, yes.
Pelvic ultrasound is commonly used to identify fibroids and assess:
size
number
location
Further imaging may sometimes be needed.
Not automatically.
Fibroids are common.
You may have fibroids and another fertility issue at the same time.
A complete assessment may also need to consider:
ovulation
fallopian tubes
sperm
age
other uterine factors
Do not stop the investigation simply because one fibroid was found.
Yes.
Do not assume:
“We know I have endometriosis, so the fertility problem must be mine.”
Male fertility factors can exist at the same time.
A semen analysis may still be important.
Medicines can help control symptoms such as heavy bleeding in some people with fibroids.
But medicines do not usually provide a permanent fertility solution if a fibroid is physically distorting the uterine cavity.
Treatment depends on the specific problem.
This requires an important distinction.
Many hormonal treatments used to reduce endometriosis symptoms work partly by suppressing ovulation or menstruation.
That means they are generally not fertility treatments while you are actively trying to become pregnant.
Management changes when pregnancy becomes the goal.
Sometimes.
For selected fibroids or endometriosis, surgery may improve fertility.
But surgery is not automatically helpful for everyone.
The possible benefit must be balanced against risks such as:
scar formation
surgical complications
damage to healthy ovarian tissue
delay in trying to conceive
Individual assessment matters.
IVF can be an option for some people with:
significant tubal problems
more severe endometriosis
additional fertility factors
unsuccessful treatment
age-related urgency
Fibroids that significantly distort the uterine cavity may sometimes need to be addressed before embryo transfer.
Again, treatment depends on the details.
Be cautious with claims that a herbal mixture can:
melt fibroids
dissolve fibroids
clean the uterus
unblock tubes
Evidence for these claims is generally poor.
Some products can also delay appropriate care or cause side effects.
A healthy diet supports general health.
But there is no specific food pattern proven to permanently cure endometriosis.
Diet should not replace medical assessment when symptoms or fertility problems are significant.
Seek fertility or gynaecological assessment if you have:
severe period pain
heavy or prolonged bleeding
persistent pelvic pain
pain during sex
known endometriosis
known fibroids that distort the uterine cavity
a history of reproductive surgery
difficulty conceiving
Do not assume severe period pain is something every woman must simply endure.
If you have known fibroids or endometriosis, the usual age-based fertility timelines may still apply in some situations.
But earlier assessment may be appropriate if:
symptoms are significant
disease is known to be extensive
you had previous pelvic or ovarian surgery
you are 35 or older
there are other fertility concerns
Fibroids do not automatically mean infertility.
Endometriosis does not automatically mean infertility.
What matters is the specific effect of the condition on your reproductive system.
For fibroids, think:
Where is it? How large is it? Does it distort the uterine cavity?
For endometriosis, think:
How extensive is it? Are the ovaries or tubes affected? How old am I? How long have we been trying?
And in both cases:
Do not forget the male partner.
A diagnosis in the woman does not remove the need to consider sperm and other fertility factors.
PREP-005: Does Age Affect My Chances of Getting Pregnant?
PREP-018: How Long Does It Normally Take to Get Pregnant?
PREP-021: When Should I Be Worried That I Am Not Getting Pregnant?
PREP-022: Can Irregular Periods Make It Harder to Get Pregnant?
PREP-023: How Can PCOS Affect My Chances of Getting Pregnant?
PREP-025: Fertility Is Not Just a Woman's Issue: When Should My Partner Be Checked?