Why Are My Periods So Heavy? Causes, Symptoms & When You Should Worry Thu , Mar 26

If your periods suddenly feel heavier than usual, like soaking pads every hour or lasting longer than expected, it can be worrying.

Heavy periods in women are common, but a sudden increase in bleeding or consistently heavy flow may indicate an underlying condition.

Understanding what’s normal and when to seek medical help is important for your health.

Heavy bleeding during periods (menorrhagia) means losing more blood than normal, such as soaking pads every 1–2 hours, bleeding for more than 7 days, or passing large clots. It may be caused by hormonal imbalance or conditions like fibroids.

Periods can become heavy due to hormonal imbalance, fibroids, endometriosis, or conditions like PCOS. A sudden increase in bleeding should be evaluated, especially if it affects your daily life.

If your periods were previously normal and have recently become heavier, it may be due to:

• Hormonal changes
• Stress
• Weight changes
• Thyroid issues
• Fibroids

In some cases, irregular menstrual cycles, especially during teenage years, can later contribute to heavy periods. You can read more about this in our guide on irregular periods in teenage girls.

Common signs of heavy menstrual bleeding include:

• Bleeding lasting more than 7 days
• Needing to change pads very frequently
• Passing large blood clots
• Severe pelvic pain or cramps
• Fatigue or weakness
• Feeling unusually tired or low on energy

Many women assume heavy bleeding is normal, but a noticeable change in your cycle is often the first sign that something needs attention.

Uterine Fibroids

Fibroids increase the uterine lining surface, leading to heavier and prolonged bleeding.

Hormonal Imbalance

Hormones control the menstrual cycle. When imbalanced, the lining thickens and causes heavy bleeding.

Endometriosis

Tissue grows outside the uterus, causing pain and heavy bleeding.

Polycystic Ovary Syndrome (PCOS)

PCOS can disrupt ovulation and lead to irregular and heavy menstrual cycles.

You should seek medical attention if:

• Soaking pads every hour
• Bleeding more than 7 days
• Feeling weak or dizzy
• Sudden increase in bleeding
• Severe pain

Very heavy bleeding may require urgent care.

Doctors may evaluate heavy periods using:

• Detailed menstrual history
• Physical examination
• Blood tests (including hemoglobin and hormone levels)
• Pelvic ultrasound

These tests help identify the underlying cause.

Treatment depends on the cause and severity. Options include:

• Medications to reduce bleeding
• Hormonal therapy
• Non-invasive procedures
• Minimally invasive or laparoscopic surgery (if required)

Most treatments aim to relieve symptoms while preserving fertility.

Ignoring heavy periods can lead to:

• Iron deficiency anemia
• Chronic fatigue
• Pelvic pain
• Fertility issues
• Reduced quality of life

Early medical care helps prevent these complications.

While medical treatment may be necessary, healthy lifestyle habits can support menstrual health:

• Eat an iron-rich, balanced diet
• Maintain a healthy body weight
• Exercise regularly
• Manage stress effectively
• Get 7–9 hours of sleep
• Stay well hydrated

Dr. A. Jaishree Gajaraj
Consultant Obstetrician & Gynaecologist

In clinical practice, many women delay seeking help assuming heavy bleeding is normal. Early diagnosis helps prevent complications like anemia.