Heavy Feeling in the Pelvis: Causes and When to Worry

A heavy feeling in the pelvis is a sense of weight, pressure or "something sitting low" in your lower belly. It is common around a period. This guide covers the causes, how to tell a normal pattern from one that needs a check, and when to get help fast.

What causes a heavy feeling in the lower abdomen in women?

A heavy feeling in the lower abdomen in women often comes with a normal period, when the womb tightens and causes a dull ache. If it lasts all month or gets worse, it can come from adenomyosis, endometriosis, fibroids, an ovarian cyst, enlarged pelvic veins or a prolapse. These need a check by a doctor.

What pelvic heaviness feels like

Pelvic heaviness feels like a weight or a downward pressure low in your belly. People describe it as "a bowling ball sitting in there", "fullness that does not go away" or "feeling like everything is going to fall out". It can be constant or it can come with your cycle. It can be mild or severe, and it can come alone or with other symptoms.

A heavy feeling on its own is rarely an emergency. A heavy feeling with heavy bleeding, pain during sex, problems peeing or a bulge in the vagina needs a check. The causes are hormonal, structural or linked to blood flow, and each one has a different treatment.

What causes that heavy feeling

Normal period causes

The most common cause is your period. Period pain happens when your womb tightens. It can be a sharp pain or a dull ache in your tummy, it can spread to your back and thighs, and it usually lasts up to 3 days. A dull, heavy ache that starts just before your period and goes when the bleeding stops fits this pattern.

Conditions that can cause heaviness

Heaviness that lasts longer, feels worse each cycle or comes with other symptoms can point to a condition.

Adenomyosis. In adenomyosis, tissue like the womb lining grows into the muscle of the womb. The womb can grow to double or triple its usual size. A feeling of fullness or heaviness in your abdomen is a reason to call a provider, along with very heavy or very painful periods. The heaviness often feels worse during a period. Read more about adenomyosis and the belly.

Endometriosis. In endometriosis, tissue like the womb lining grows outside the womb. It can cause severe period pain, heavy periods and pelvic pain at other times. Pain when you poo or pee, pain during or after sex and extreme tiredness are also signs. Heaviness that comes with these symptoms, or that gets worse over months, points more to endometriosis than to normal periods.

Fibroids. Fibroids are growths in and around the womb that can cause period pain. Heaviness from fibroids often comes with heavy or painful periods, so a scan can help to find them.

Ovarian cysts. Pelvic pain from an ovarian cyst can range from a dull, heavy sensation to a sudden, severe and sharp pain. A cyst can also cause bloating, a swollen tummy and a feeling of being very full after a small meal.

Pelvic congestion syndrome. In this condition, veins in the pelvis are widened. The pain feels dull, achy or heavy. It gets worse at the end of the day, before and during a period, and after you stand, walk or sit for a long time. It feels better when you lie down. It most often affects people aged 20 to 45 who have given birth more than once.

Pelvic organ prolapse. A prolapse happens when the womb, bladder or bowel bulge into the vagina, often because the pelvic floor muscles are weak. It causes a feeling of heaviness, discomfort or pressure in your lower tummy or vagina, and sometimes a bulge you can feel or see. Pregnancy, childbirth, long-term constipation and straining, and age after the menopause make it more likely.

Normal or a reason to see a doctor?

Heaviness that comes only with your period, goes when the bleeding stops and responds to heat or painkillers is usually normal. Heaviness that lasts through your cycle, gets worse over several cycles or comes with other symptoms is a reason to see a doctor.

Likely normal if: The heavy feeling happens only during your period and goes away when the bleeding ends. It is mild to moderate and does not stop you doing your usual activities. The pattern stays the same from cycle to cycle. Heat, rest or a painkiller helps.

See a doctor if: The heaviness is severe or painkillers do not help. It lasts through your cycle. It gets worse over several cycles. It comes with heavier or more painful periods, bleeding between periods, pain during sex or when you pee or poo, or a swollen tummy. You feel something "coming down" or a lump in or around your vagina, which can be a sign of prolapse.

How to describe pelvic heaviness to a doctor

Tell your doctor what the heaviness feels like, when it happens in your cycle and what it stops you doing. These three facts point to different causes.

What it feels like: Is it a true weight, a pressure or an ache? Does it feel like something presses down from inside, or like something drags down into the vagina?

When it happens: When does it start in your cycle, and how long does it last? Is it constant, or does it come and go? Is it worse at the end of the day or after you stand for a long time? Has it changed over time? A pattern across several cycles tells a doctor more than one bad day.

What it stops you doing: Do you need to rest or lie down? Which positions or activities make it better or worse? How does it affect your work, exercise, sleep or sex life?

Tracking pelvic heaviness

Track the heaviness for two or three cycles so you can see if it follows your period or lasts all month. Write down:

• Cycle day. The day it starts and the day it stops.
• How strong it is. A score from 0 to 10.
• What changes it. Standing, lying down, exercise, heat or a painkiller.
• Other symptoms. Bleeding, pain during sex, problems peeing or pooing, and bloating.

Endolog is a pain and symptom diary. You log pain, where it hurts and your symptoms on the days they happen, so you have a record to show your doctor.

Managing pelvic heaviness

The right treatment depends on the cause. Heat and gentle movement help normal period heaviness. Conditions such as adenomyosis, endometriosis and prolapse need a plan from a doctor.

For normal period heaviness: A heat pad, a hot water bottle or a warm bath can help. So can gentle exercise such as yoga, swimming or walking, massage of your tummy and back, and painkillers such as ibuprofen or paracetamol.

For adenomyosis: Treatments include anti-inflammatory painkillers, hormonal treatments such as the pill or a hormonal IUD, and tranexamic acid for heavy bleeding. Surgery can remove adenomyosis from the womb muscle, and a hysterectomy removes the womb.

For endometriosis: Treatments include painkillers, hormone medicines such as the combined pill, and surgery to remove areas of endometriosis. A specialist can help you choose. See our endometriosis treatment options guide.

For pelvic congestion syndrome: First treatments include medicines, compression stockings and pelvic floor physical therapy. If these do not help, a doctor can treat the widened veins with a procedure.

For prolapse: Pelvic floor exercises, steps to avoid constipation and a vaginal support pessary can help. Some people need surgery.

When pelvic heaviness is an emergency

Most pelvic heaviness is not an emergency. Get medical help the same day if you have sudden, severe pain, very heavy bleeding or a fever.

Get help urgently if:

• You have sudden, severe pelvic pain. Contact your GP urgently or call 111 in the UK, or call your doctor or 911 in the US.
• Your pain is severe or worse than usual, and painkillers have not helped.
• You bleed so heavily that you change a pad or tampon every 1 to 2 hours or more often.
• The heaviness comes with a fever or chills, which can be a sign of an infection.

Trust what you feel

You know what is normal for your body. If the heaviness feels different from your usual pattern, or it affects your daily life, it is worth a check. A clear record of your symptoms helps your doctor find the cause.

Track your pelvic heaviness to learn what is normal for you and to bring clear notes to your appointment.

Frequently asked questions

Is a heavy feeling in the pelvis normal before a period?

Yes, it can be. Period pain can start just before your period and feel like a dull ache in your tummy that spreads to your back and thighs. It usually lasts up to 3 days. If the heaviness starts many days before your period, lasts after it or gets worse each cycle, see a doctor to check for a condition such as endometriosis or adenomyosis.

Why does my pelvis feel heavy when I stand for a long time?

Heaviness that gets worse after standing and feels better when you lie down can be a sign of pelvic congestion syndrome. In this condition, veins in the pelvis are widened. It can also be a sign of a prolapse, where the womb, bladder or bowel moves down into the vagina. Both need a check by a doctor, and both have treatments.

Can a heavy feeling in the pelvis be a sign of adenomyosis?

Yes. Adenomyosis can make the womb larger, sometimes up to double or triple its usual size. A feeling of fullness or heaviness in your abdomen is one reason to call a provider about it. Very heavy periods and very painful cramps are the other main signs. An ultrasound or MRI scan can show if the womb has changed.

Can an ovarian cyst cause pelvic heaviness?

Yes. Pain from an ovarian cyst can range from a dull, heavy sensation to a sudden, severe and sharp pain. A cyst can also cause bloating, a swollen tummy and a feeling of being full after a small meal. Most cysts cause no symptoms. Get help the same day for sudden, severe pelvic pain, because a cyst can split or twist.

What does a prolapse feel like?

A prolapse can feel like heaviness, discomfort or pressure in your lower tummy or vagina. Some people feel or see a bulge or lump in or coming out of the vagina. Others have problems pooing, need to pee more often or feel pain during sex. Some people have no symptoms. See a GP if you have a lump in or around your vagina.

Related articles

• Sudden Stabbing Pelvic Pain, Including Period Pain That Is Not Cramps
• Left Ovary Pain: Common Patterns and When to Pay Attention
• Heavy Painful Periods: When Flow and Pain Combine
• The Complete Guide to Endometriosis Symptoms