Key Facts
While ovulation pain is a common experience, sometimes this pain can be a sign of an underlying medical condition, such as endometriosis. This comprehensive article will delve into the intricate relationship between ovulation pain and endometriosis. We will discuss:
- The reasons why endometriosis can cause ovulation pain.
- How does his pain differentiate from regular ovulation discomfort?
- Practical advice on how to manage endometriosis-related ovulation pain.
We aim to provide you with a deeper understanding of ovulation pain and its potential link to endometriosis, empowering you to take control of your reproductive health. With one in five women reporting discomfort during ovulation, it’s important to understand what it means for your body and when treatment may be necessary.

What is Endometriosis?
Endometriosis is a medical condition that causes tissue similar to the uterus lining to grow on other anatomic structures. It is often located in the ovaries , fallopian tubes, and uterus (womb). Endometriosis is one of women’s most common causes of pelvic pain and infertility. Endometriosis affects one in nine Australian women . However, not all women with endometriosis have debilitating pain; some may not even realise they have it. Pain caused by endometriosis often increases during menstruation, though sometimes it can be present at other times in the month. It can also occur with symptoms like constipation, diarrhoea, nausea, and vomiting.
Can Endometriosis Cause Ovulation Pain?
If endometriosis involves the ovaries, it has the potential to cause agonising pain as you ovulate each month. The symptoms of ovulation pain are severe cramping or pelvic pain that typically begins in the lower abdomen and slowly spreads to the back and thighs. The ovaries are the female reproductive organs that produce eggs through ovulation. Ovulation pain occurs in many women due to high oestrogen levels and is caused by the uterus’s endometrial tissue breakdown. If this tissue is left behind in the ovaries, it can cause a condition called adhesions that attach various organs.
Ovarian cysts form when endometrial cells stick to the ovary, collecting blood and debris. During each ovulation cycle, these cysts undergo stress or minor ruptures that release their contents into nearby tissues. This triggers inflammation, making nerve fibres more sensitive and increasing ovulation-related pain.
An ovulation predictor kit measures luteinising hormone (LH) levels in your urine. A rise in LH—typically 24 to 36 hours before ovulation—indicates the start of your fertile window. This accurate signal allows you to determine whether your pelvic discomfort coincides with the natural LH surge or if further evaluation is needed, especially when distinguishing normal ovulation pain from pain associated with conditions like endometriosis.

How to Know if Your Ovulation Pain Is Due to Endometriosis
Understanding whether your ovulation pain is due to endometriosis can be a complex process. However, certain symptoms can help differentiate endometriosis-related pain from other types of discomfort. These include:
Persistent Pelvic Pain
If you experience pain in your pelvis lasting more than two days, it is advisable to seek medical attention. This persistent discomfort could be a sign of this condition.
Pain Accompanied by Gastrointestinal Symptoms
Endo can sometimes cause symptoms such as vomiting or diarrhea. If these symptoms accompany your ovulation pain, it may be due to endometriosis.
Abnormal Bleeding
Experiencing abnormal bleeding around the time of ovulation is a common symptom of endometriosis. If you notice this symptom, it could be an indication of endometriosis.
Period-Related Debilitation
Another sign can be if your symptoms are mild but become debilitating at the onset of each menstrual period.
Pain During Urination
Endometriosis can cause pain in your bladder or pelvis during urination. If you experience this type of discomfort, it may be due to endometriosis.
Chronic Fatigue
Endometriosis can lead to chronic fatigue. Constant fatigue could be a symptom of this condition.
Gastrointestinal Discomfort
Endometriosis can cause constipation, diarrhoea, and shooting rectal pain. If you experience these symptoms, particularly in conjunction with ovulation pain, it could be a sign of endometriosis. These symptoms can provide valuable clues about whether your ovulation pain is due to endometriosis. However, it’s important to consult with a healthcare professional for a definitive diagnosis and appropriate treatment.

Endometriosis-Related Ovulation Pain
How Hormonal Changes Affect Ovulation Pain
Ovulation happens when hormones signal the release of an egg. For women with endometriosis, these hormones can trigger unexpected reactions in cells outside the uterus. This can lead to increased pain during the middle of the menstrual cycle.
- Hormone Surge – Mid-cycle hormone levels rise to initiate ovulation.
- Unusual Cell Response – Cells outside the uterus react differently, heightening sensitivity.
- Tissue Adaptation – Repeated cycles cause gradual changes in surrounding tissues, intensifying discomfort.
Understanding this progression underscores the importance of seeking personalised medical advice, as tailored treatment is crucial for managing ovulation pain in endometriosis.
Endometriomas are cysts caused by endometriosis. When these cysts become large, they may rupture, releasing menstrual blood into the abdominal cavity. This event can cause severe pain, particularly noticeable during ovulation.
What Are The Stages of Endometriosis?
Endometriosis is classified into four stages based on the size, depth, and spread of lesions and adhesions, according to the Royal Australian and New Zealand College of Obstetricians and Gynaecologists (RANZCOG). This staging system focuses on anatomical factors and does not always match the level of pain experienced.
Pain responses in endometriosis vary widely. Some women with minimal lesions may have significant pelvic discomfort, while others with extensive tissue involvement might experience only mild symptoms. This variation is due to differences in nerve sensitivity, local inflammatory responses, and hormonal influences.
Stage 1 (Minimal Endometriosis)
- Features small, isolated implants with few or no adhesions.
- Often presents with subtle or no symptoms, though some may experience mild pelvic discomfort.
Stage 2 (Mild Endometriosis)
- Involves slightly larger lesions and limited scar tissue.
- Symptoms are usually mild, and the extent of tissue involvement doesn’t always correlate with pain levels.
Stage 3 (Moderate Endometriosis)
- Characterised by more numerous and larger lesions, possible ovarian cysts (endometriomas), and some adhesions.
- Pain levels can vary; moderate anatomical changes do not necessarily mean severe pain for every patient.
Stage 4 (Severe Endometriosis)
- Defined by widespread, deep lesions and extensive adhesions.
- Despite the advanced stage, many women report mild to moderate pain, indicating that nerve sensitivity and inflammatory responses significantly influence symptom severity.
Recognising that the clinical stage is not a definitive measure of pain intensity helps set realistic expectations and supports a personalised approach to treatment and management.
For example, endometriosis may stay the same over time for a woman if her symptoms are mild enough and she has a low level of pelvic inflammation or other factors.
Could My Pain be From Normal Ovulation?
Because pain is relative, not all pain during ovulation is considered abnormal. Some women experience mild pain as a normal indication that ovulation has occurred. The following signs can pinpoint normal ovulation pain :
Location
The discomfort is typically felt in the lower abdomen, just above the hip bone. It’s usually localised and can be traced to the side of the body where the ovary has released an egg during that particular menstrual cycle .
Timing
Normal ovulation pain often occurs around two weeks before the onset of the next menstrual period, coinciding with the ovulatory menstrual stage .
Duration
The pain associated with normal ovulation can last anywhere from a few minutes to 48 hours. However, it typically doesn’t persist beyond this timeframe.
Intensity
Normal ovulation pain is usually mild and does not cause additional symptoms like nausea. It’s a discomfort that’s noticeable but not debilitating.
While laparoscopy is the gold standard for diagnosing endometriosis, doctors usually start with non-invasive tests. They often perform a transvaginal ultrasound to identify ovarian cysts and check for structural issues in the pelvic area, which may indicate endometriosis. Blood tests, such as measuring serum CA-125 levels, might also be used. Although high CA-125 levels alone don’t confirm the condition, they can support other clinical signs, especially in advanced cases. If you have ongoing pelvic pain, irregular bleeding, or other symptoms along with discomfort during ovulation, consult a healthcare professional for a thorough evaluation.
Endometriosis & Support
While no definitive cure exists for endometriosis, professional medical treatments and supportive care effectively manage its symptoms. Treatments like hormonal therapies and, when necessary, surgical procedures are key parts of a treatment plan. Additionally, self-care strategies can offer temporary relief when used responsibly and in consultation with a healthcare professional:
Applying Heat
A heating pad, self-heating patches, or a warm bath can relax muscles and ease localized pain.
Using Natural Remedies
Warm baths with Epsom salts or essential oils, such as lavender and chamomile, may provide comfort. Many people also seek support from an experienced acupuncture therapist to help manage pelvic pain and hormonal symptoms. These are complementary strategies and should be used in conjunction with medical advice, not as substitutes for clinical treatment.
Using TENS Machines
Transcutaneous Electrical Nerve Stimulation (TENS) devices can interrupt pain signals but are not substitutes for clinical care.
Remember, these at-home methods are supportive only and do not replace professional medical advice—especially if symptoms worsen or new signs appear. Always consult a qualified healthcare provider to ensure any self-care method is safe and suitable for your condition. Prioritising personalised, professionally guided care is essential for effectively managing endometriosis and maintaining your well-being.
Impact on Fertility
Endometriosis can reduce fertility through physical and hormonal factors. Adhesions from endometrial implants can tether or block the ovaries and fallopian tubes, preventing eggs from traveling to the uterus. Hormonal imbalances can disrupt ovulation and make the uterine lining less receptive, hindering implantation.
- Adhesions and Blockages: Scar tissue can block fallopian tubes, reducing the chance of eggs meeting sperm and lowering fertility.
- Hormonal Disruptions: Hormone changes can affect ovulation timing and endometrial quality, both vital for conception.
Early diagnosis and conversations with healthcare providers, including local fertility specialists in Australia, are crucial for managing these challenges. Evidence-based treatments—from hormone regulation to minimally invasive surgery—can preserve reproductive health and improve outcomes for women with endometriosis.
Empowering Your Fertility Journey with Fertility2Family
At Fertility2Family, we understand the complexities of fertility issues like endometriosis. Our blog provides in-depth, reliable information to help you navigate these challenges. If you’re experiencing ovulation pain and suspect endometriosis, our affordable ovulation tests and fertility kits can be valuable tools in your journey. Fertility2Family is your partner in understanding and managing your fertility health. For more information, get in touch with us today.
Evan Kurzyp
Evan is the founder of Fertility2Family and is passionate about fertility education & providing affordable products to help people in their fertility journey. Evan is a qualified Registered Nurse and has expertise in guiding & managing patients through their fertility journeys.