period risks and benefits for patients

Overview

A period (menstruation) is the monthly shedding of the lining of the uterus (womb) that happens in people who menstruate. It’s a natural part of the reproductive cycle, but sometimes periods can be painful, heavy, or irregular, and that can signal an underlying health issue.

Yes. Most people who menstruate will experience some discomfort or irregularity at some point in their lives. Heavy or painful periods affect many people, especially in their teens and again in their 40s.

Anyone who has a uterus and is of reproductive age — usually between puberty and menopause. This includes women, girls, transgender men, and non-binary people who menstruate.

Symptoms

Common symptoms

• Cramping or aching in the lower belly or back
• Bloating or feeling heavy
• Mood changes or irritability
• Tender breasts
• Headaches or tiredness

Symptoms in children

• Irregular periods for the first 1–2 years after starting
• Period pain that interferes with school or sleep
• Heavy bleeding that requires changing pads or tampons more than every 1–2 hours

Symptoms in older adults

• Changes in cycle length or flow in your 40s or early 50s
• Skipped periods or periods that come closer together
• Heavy bleeding or spotting between periods

Causes

Main causes

• A period happens when the lining of the uterus breaks down and leaves the body through the vagina each month, as part of the menstrual cycle.
• Hormones (chemical messengers) control this cycle, including estrogen and progesterone.
• When hormone levels are out of balance, periods can become painful, heavy, or irregular.

Risk factors

• Family history of fibroids or endometriosis
• Age — teenagers and people approaching menopause are more likely to have irregular cycles
• Stress, significant weight changes, or very intense exercise
• Certain health conditions, such as thyroid problems or bleeding disorders

When to see a doctor

See a doctor urgently if:

• You are bleeding very heavily or passing large clots
• You have pelvic pain that does not improve with rest or over-the-counter pain relief
• You bleed between periods or after menopause

Book a routine appointment if:

• Your period is consistently longer than 7 days or very heavy
• Your periods stop for 3 months or more (and you’re not pregnant)
• You have severe cramps that impact work, school, or sleep
• You experience new bleeding or pain after changing birth control methods

Diagnosis

Your healthcare provider will ask about your medical history, your cycle, and your symptoms. They may do a physical exam and sometimes order tests to rule out underlying conditions.

Tests that may be done

• Pelvic exam
• Ultrasound (imaging using sound waves to look at the uterus and ovaries)
• Blood tests to check hormone levels, iron (for anemia), or thyroid function
• Endometrial biopsy (a small sample of the uterine lining) if needed, especially in older adults

What to expect at your appointment

You may be asked to track your periods for a few weeks before the visit. The first visit is usually conversational and may include a gentle exam. You can bring a friend or partner for support, and it’s okay to ask questions.

Treatment

Treatment depends on what’s causing your symptoms and whether your periods are affecting your quality of life. Options range from self-care and lifestyle changes to medications, hormonal options, and in some cases, procedures.

Self-care at home

• Use a heating pad or warm bath to ease cramps
• Try gentle exercise, stretching, or walking
• Use over-the-counter pain relief (ask your pharmacist for advice)
• Keep a period diary to notice patterns and triggers
• Rest and pace yourself during heavy days

Medical treatments

Medical treatments are prescribed by a healthcare provider after a full assessment. They may include hormonal methods (such as certain tablets, patches, rings, or hormonal intrauterine devices) to lighten or regulate periods, or non-hormonal medicines to reduce pain or bleeding. It’s important to discuss all options, benefits, and risks with your provider, and never adjust a treatment on your own.

When is surgery considered?

Surgery is rarely the first choice. It may be considered if other treatments don’t help, or if there is a specific condition like large fibroids, endometriosis, or an abnormality in the uterus. A doctor may discuss procedures such as removing fibroids or, in certain cases, a hysterectomy. These are major decisions you should make with your healthcare team.

Living with this condition

Living with periods means learning to manage symptoms while still doing the things you enjoy. A simple routine — tracking your cycle, having a period kit ready, and planning for heavier days — can make a big difference.

Lifestyle tips

• Stay active — regular exercise can reduce cramps and improve mood
• Sleep 7–9 hours a night, especially before and during your period
• Reduce stress with breathing exercises, hobbies, or talking to someone
• Wear comfortable clothing and consider period underwear or pads for extra protection

Diet and exercise

A balanced diet with iron-rich foods (like leafy greens, beans, and lean protein) can help replace what you lose during your period. Stay hydrated, and consider eating smaller, more frequent meals to keep energy steady. Exercise such as brisk walking, swimming, or yoga can help ease cramps and boost your mood.

Mental health and emotional wellbeing

Periods can affect your mood, energy, and confidence. Premenstrual changes can make you feel anxious, tearful, or irritable. If these feelings are severe or persistent, you may be dealing with premenstrual dysphoric disorder (PMDD) or another mental health condition. You deserve support. Talk to a healthcare provider and, if you’re in crisis, please contact a local mental health helpline or emergency service.

Prevention

You can’t prevent having a period, but you can reduce the chances of serious problems by monitoring your cycle, staying active, eating well, and seeking medical help early when something feels off. Some underlying conditions may be managed earlier if caught in time.

Vaccines

Vaccines do not prevent period problems. But staying up to date with recommended vaccines, including the HPV vaccine, protects against cervical cancer, which can affect reproductive health.

Screening programmes

Regular gynaecological check-ups and cervical screening (smear tests) are important for reproductive health. Ask your healthcare provider about the right screening schedule for you. If you have irregular or heavy periods, ask about further tests to check for conditions like fibroids or endometriosis.

Complications

If left untreated

• Anemia (low iron in the blood) from heavy periods, leading to tiredness and weakness
• Chronic pelvic pain or painful periods that affect work and relationships
• Infertility or pregnancy complications if an underlying condition like endometriosis or fibroids goes untreated
• Significant impact on mental health and quality of life

Long-term outlook

The outlook for most people with period problems is very good. Most symptoms can be managed or improved with the right treatment, self-care, and support. Even serious underlying causes can often be treated effectively. Many people feel much better once they get the right help.

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