Heavy periods—also known as menorrhagia—are more common than you might think. But how can you tell if your period is too heavy? For many women, it’s difficult to know what’s normal and when to seek help. In this blog, we’ll explain what qualifies as a heavy period, what might be causing it, and how it can be investigated.
What Counts as a ‘Heavy’ Period?🩸
While every woman’s cycle is different, your period may be considered heavy if:
- You soak through a pad or tampon every 1 to 2 hours
- You need to use more than one type of protection at once (like a tampon and a pad)
- You need to change your protection during the night
- Your period lasts longer than 7 days
- You pass blood clots larger than a 10p coin
- Heavy bleeding interferes with your daily activities
If these signs sound familiar, it could be time to look into what’s causing it.
Why Are My Periods So Heavy?😔
Heavy periods can sometimes be caused by an underlying condition. Some common reasons include:
- Fibroids – Non-cancerous growths in or around the womb
- Polyps – Small growths on the womb lining
- Hormonal imbalances – Especially changes in oestrogen and progesterone
- Polycystic Ovary Syndrome (PCOS)
- Endometriosis
- Thyroid issues
- Blood clotting disorders
- Perimenopause – Hormonal changes during your 40s can make periods heavier
Some medications and contraceptives can also contribute to heavier bleeding.
Is It Something to Worry About?😟
If your period is consistently heavy, or if the pattern has recently changed, it’s important to take notice. Ongoing heavy bleeding can lead to iron deficiency anaemia, which can leave you feeling exhausted, dizzy, or breathless.
You shouldn’t have to suffer in silence. There are ways to investigate and manage heavy periods, starting with the right checks.
How Can Heavy Periods Be Investigated?🔎
If you’re experiencing heavy periods, a healthcare professional may recommend:
- Blood tests – To check for anaemia, thyroid function, or hormonal imbalance
- Pelvic ultrasound – To look for fibroids, cysts, or other abnormalities
- Gynaecological scan – A more focused look at the uterus, ovaries and womb lining
- Smear test or internal exam – If appropriate based on your symptoms
At firstScan, we offer private gynaecology scans and blood tests to help investigate symptoms like heavy periods. Our friendly, professional team are here to support you every step of the way.
When Should I Speak to Someone?🗣️
You should consider seeking medical advice if:
- Your periods are so heavy that they interfere with your daily life
- You’re bleeding between periods or after sex
- You’re feeling unusually tired or unwell during your period
- You’re over 40 and your periods have suddenly changed
Final Thoughts💭
What’s “normal” when it comes to periods varies from person to person—but if you’re frequently worrying about leaks, clots, or constant changes of protection, it’s worth having things checked.
At firstScan, we’re here to help. Whether you’re looking for reassurance or a diagnosis, our gynaecology scans and blood tests offer the clarity you deserve.
Concerned about heavy periods?
Book a private scan or blood test with firstScan today.