If your periods have always been painful, heavy, or unpredictable, how are you supposed to know whether that is simply normal for you, or something worth getting checked?
Most of us only have our own cycle to compare against. If you have always needed strong pain relief on the first day of your period, you may assume everyone does. If your periods have always been very heavy, that can simply become your version of normal.
There is a fairly wide range of what can be normal when it comes to menstruation. But there is also a difference between normal variation and symptoms that are affecting your health, fertility, or everyday life.
The important questions are often:
Has something changed for me? Is this interfering with my life? Does it keep happening?
If the answer is yes, it is worth talking to a healthcare professional.
This guide provides general information, not a diagnosis. If something about your cycle feels wrong or has changed significantly, you do not have to wait until it fits neatly into a checklist before asking for help.
First, what does a normal menstrual cycle actually look like?
The 28-day cycle gets talked about so often that it is easy to assume anything different must be abnormal.
It isn't.
South Africa's National Department of Health considers cycles shorter than 21 days or longer than 35 days to be irregular. So there's plenty of room for individual variation within that range.
Some people naturally have shorter cycles, and others have longer ones. Flow, duration, and symptoms can also vary.
One of the most useful things to pay attention to is your own usual pattern.
If your cycle has been around 33 days for years, a 33-day cycle isn't suddenly concerning just because an app assumes you should have a 28-day cycle. But if your cycles have always been predictable and suddenly start jumping between 22 and 40 days, that change is worth noticing.
Stress, weight changes, intense exercise, illness, contraception, breastfeeding, PCOS, and the hormonal changes around perimenopause can all affect your cycle.
Sometimes there is an obvious explanation. Sometimes there isn't.
When is it worth booking an appointment?
You do not have to be experiencing an emergency for a period problem to deserve medical attention.
Speak to a doctor, nurse, clinic or other healthcare professional if your symptoms:
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are affecting your everyday life
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keep happening
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are becoming worse
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are significantly different from your usual pattern
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are causing you concern
In South Africa, your starting point will depend on the healthcare system you use. In the public system, your local clinic or community health center is usually a reasonable starting point. In private care, you may start with your GP or see a gynecologist.
Your periods are very heavy
Rather than trying to measure exactly how much blood you lose, think about what you actually have to do to manage your period.
Speak to a healthcare professional if you are:
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constantly changing period products
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regularly bleeding through clothing or bedding
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waking repeatedly at night to change protection
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passing large clots
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avoiding work, school, exercise or social activities because of your bleeding
South African primary healthcare guidance recognizes heavy or prolonged periods as abnormal bleeding that should be assessed. Heavy bleeding can also contribute to iron deficiency and anemia, which may cause tiredness, weakness, dizziness, shortness of breath or reduced exercise tolerance.
You don't need to prove your bleeding reaches a particular volume before asking for help. How it affects you matters.
Your period pain stops you from functioning normally
Period cramps are common, but being unable to function normally every month should not automatically be dismissed as "just period pain".
If you regularly miss work or university, cannot sleep, cancel plans, struggle to exercise or need frequent pain relief because of your period, tell your healthcare provider.
Conditions including endometriosis, adenomyosis, fibroids and pelvic inflammatory disease can contribute to pelvic or menstrual pain. Significant pain does not automatically mean you have one of these conditions, but ongoing pain deserves a proper conversation rather than years of simply trying to tolerate it.
You bleed between periods or after sex
Occasional spotting does not always mean something serious is happening, but repeated bleeding between periods should be investigated.
Bleeding after sex should also be checked rather than simply becoming something you learn to live with.
There are many possible causes, including hormonal changes, contraception, infections, cervical changes, pregnancy-related causes, polyps and other gynecological conditions. You do not need to work out the cause yourself.
If the bleeding is new, keeps happening or occurs alongside pain, unusual discharge or other symptoms, bring it up with your healthcare provider.
Your cycles have suddenly become much less predictable
A slightly early or late period every now and then does not automatically signal a problem. A clear and persistent change in your usual pattern is different.
Perhaps your periods used to arrive fairly predictably but are now disappearing for weeks at a time. Maybe your cycles have become much shorter, or you are going long stretches without bleeding and then experiencing an unusually heavy period.
There are many possible reasons, including PCOS, hormonal contraception, pregnancy, breastfeeding, significant stress, weight changes, thyroid problems, perimenopause and other hormonal conditions.
If the change is persistent or unexplained, it is worth asking why.
Your periods have stopped unexpectedly
If you usually menstruate and your period disappears, pregnancy is one of the first things to consider when pregnancy is possible. Periods can also stop for expected reasons, including breastfeeding, some hormonal contraceptives, and eventually menopause.
Outside these situations, unexpectedly absent periods warrant a conversation with a healthcare professional, especially if you have other symptoms or are trying to conceive.
If you are trying for a baby, absent or very irregular periods can matter because they may indicate you are not ovulating consistently.
When should you get medical advice sooner?
Some symptoms shouldn't wait for your next routine appointment.
Seek prompt medical advice if you develop new or severe pelvic or lower abdominal pain, particularly if it is significantly worse than your normal period pain, comes on suddenly or is accompanied by fever, weakness, unusual discharge or feeling generally unwell.
Heavy vaginal bleeding combined with dizziness, faintness, marked weakness, a racing pulse or feeling as though you may collapse also needs prompt assessment.
What if you are pregnant and bleeding?
Bleeding during pregnancy needs a slightly different approach.
Bleeding in early pregnancy can happen for several reasons and does not automatically mean that a pregnancy has been lost. However, you should not assume it is normal.
If you know or suspect you are pregnant and experience bleeding, particularly if it is accompanied by abdominal or pelvic pain, contact a healthcare professional or maternity service for advice.
When is it an emergency?
Some combinations of symptoms need urgent medical care, particularly when pregnancy is possible.
Seek urgent medical attention if you have:
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severe or sudden pelvic or abdominal pain
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vaginal bleeding accompanied by dizziness or fainting
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collapse or severe weakness
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significant pain and bleeding when you could be pregnant
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lower abdominal or pelvic pain with shoulder-tip pain when pregnancy is possible
These symptoms can occur with an ectopic pregnancy, where a pregnancy implants outside the uterus, most commonly in a fallopian tube.
South Africa's primary healthcare guidance identifies symptoms including missed periods, lower abdominal or pelvic pain, vaginal bleeding, dizziness, shock, anemia and shoulder-tip pain when assessing possible ectopic pregnancy. Suspected ectopic pregnancy requires urgent attention.
A ruptured ectopic pregnancy can cause serious internal bleeding and can be life-threatening.
If you collapse, are severely unwell or believe you are experiencing a medical emergency, dial 112 from a cellphone or 10177 for an ambulance in South Africa.
If your symptoms are concerning but you are stable, go to your nearest hospital casualty department or emergency centre rather than waiting for a routine appointment.
What if you are trying to conceive?
Your menstrual cycle can provide useful information about fertility, particularly when periods are very irregular or absent.
South Africa's National Clinical Guidelines for Safe Conception and Infertility recommend fertility investigation after:
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12 months of trying for women under 35 with regular cycles and no known fertility concerns
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around six months from age 35
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no delay from age 40
Earlier investigation is also recommended when there are menstrual irregularities, a known cause of infertility, previous pelvic surgery, certain cancer treatments, a strong family history of premature ovarian insufficiency or early menopause, or suspected endometriosis.
So you don't necessarily need to spend a year trying before asking questions if your cycles suggest something may be wrong.
And if you are using donor sperm or home insemination, the guideline's wording around "regular unprotected intercourse" does not perfectly describe your situation. It is still worth discussing your circumstances with a fertility professional, particularly if sperm access is limited, your cycles are irregular, or you have another reason to be concerned about fertility.
Asking for an assessment does not commit you to IVF or fertility treatment. Sometimes it simply gives you better information about what your body is doing.
What if you have periods but aren't sure you are ovulating?
Menstrual bleeding doesn't necessarily tell you everything about ovulation.
This is especially important when you are trying to conceive.
An ovulation strip detects luteinizing hormone (LH). The LH surge usually happens before ovulation, so a positive test suggests that your body is preparing to ovulate. However, it does not confirm afterward that an egg was actually released.
If you are learning how to use LH strips, our guide explains when to test, how long to hold your urine, and how to interpret your result:
How to Use Ovulation Test Strips Properly
Basal body temperature (BBT) can provide information after ovulation because progesterone causes a small sustained temperature increase:
BBT Tracking: Does It Really Work for Predicting Ovulation?
If you have PCOS, ovulation tracking can be more complicated because LH may rise more than once before ovulation actually occurs:
How to Track Ovulation With PCOS: What Works, What Doesn't
If your healthcare professional wants to investigate whether you are ovulating, blood tests may also form part of the fertility work-up. South African clinical guidance includes mid-luteal progesterone testing as one method that may be used to assess ovulation in appropriate circumstances.
What should you take to your appointment?
You do not need a colour-coded spreadsheet covering the last two years of your menstrual history!
A few cycles of useful notes can, however, make the conversation much easier.
Record:
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when each period starts and roughly how long it lasts
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whether your cycle length is changing
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how heavy your bleeding is and how often you need to change products
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whether you bleed through clothing or wake during the night
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where your pain occurs and how severe it is
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spotting between periods or bleeding after sex
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unusual discharge or pain during sex
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bowel or bladder symptoms around your period
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significant fatigue, dizziness, or other changes
Most importantly, note what your symptoms stop you from doing.
"My periods are painful" gives your healthcare provider one piece of information.
"For the first two days of my period I regularly miss work, wake during the night from the pain and need pain relief throughout the day" tells them considerably more.
If you are trying to conceive, bring any cycle-tracking information you already have, including ovulation tests, BBT charts, cycle lengths, and previous fertility or hormone results.
What might happen at the first appointment?
The first appointment is generally about understanding what is happening rather than immediately attaching a diagnosis to your symptoms.
Your healthcare professional may ask about your period history, cycle length, bleeding, pain, contraception, medications, pregnancy history, fertility plans and other symptoms.
Depending on what you describe, they may recommend a pregnancy test, blood tests, an examination, or an ultrasound.
Not everybody needs every test. Investigations should depend on your symptoms and history.
What if you have asked for help before and felt dismissed?
If you have previously been told that your periods are "just bad periods", but they are still significantly affecting your life, it is reasonable to bring the issue up again.
You are not being difficult by returning when something has not improved.
It can help to go into your next appointment with specific examples:
What has changed? What have you already tried? How often does it happen? What does it stop you from doing?
You can also ask:
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"What could be causing this?"
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"Is there anything we should be ruling out?"
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"Would any further investigation be appropriate?"
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"At what point would you refer me to a gynecologist?"
If you still feel your symptoms aren't being properly addressed, seeking another medical opinion is completely acceptable.
The main thing to remember
There is no single perfect period. Some people naturally have shorter cycles and some longer ones. Flow varies. Cramping varies. Your cycle can also change at different stages of your life.
The question is not simply: "Is this technically normal?"
It is also:
Has something changed for me?
Is this interfering with my everyday life?
Does this keep happening?
Am I worried about it?
If the answer to one or more of those questions is yes, it is reasonable to talk to someone.
You do not have to wait until the pain becomes unbearable, the bleeding becomes extreme, or you have spent years wondering whether something is wrong.
Start with the healthcare option available to you, whether that is your local clinic, community health center, GP or gynecologist.
And if you develop severe pain, collapse, dizziness, heavy bleeding or symptoms that could indicate an ectopic pregnancy, treat that differently. Seek urgent medical care rather than waiting for a normal appointment.
Frequently Asked Questions
Is it normal for my cycle not to be exactly 28 days?
Yes. Twenty-eight days is not a rule. South African primary healthcare guidance considers cycles shorter than 21 days or longer than 35 days irregular, which means cycles within that range can still be normal. Your individual pattern and any significant changes in it also matter.
Should I see someone about painful periods?
If the pain is regularly interfering with work, school, sleep, exercise, sex or everyday activities, it is worth discussing with a healthcare professional. Severe or persistent period pain can have several possible causes and should not automatically be dismissed.
Is bleeding between periods normal?
Repeated spotting or bleeding between periods should be assessed. South Africa's National Department of Health includes bleeding between periods among abnormal vaginal bleeding patterns.
What about bleeding after sex?
Bleeding after sex is also something to mention to a healthcare professional, particularly if it happens repeatedly. South African primary healthcare guidance specifically identifies it as a bleeding pattern that requires assessment.
Does an irregular period mean I have PCOS?
No. PCOS is one possible reason for irregular cycles, but there are many others. Pregnancy, hormonal contraception, breastfeeding, stress, changes in weight or exercise, thyroid conditions and perimenopause can all affect menstrual patterns.
Do I have to try for a year before asking about fertility?
Not always.
South African national guidance recommends evaluation after 12 months for women under 35 with regular cycles and no known fertility concerns, and after six months from age 35. Women aged 40 or older, and people with menstrual irregularities, suspected endometriosis or other known fertility factors, should be evaluated without the same delay.
Where should I go if I am worried about my cycle?
In the public healthcare system, you can start at your local primary healthcare clinic or community health centre. Depending on your symptoms, they may investigate you there or refer you to a doctor, district hospital, or specialist service.
If you use private healthcare, you can start with your GP or speak directly with a gynecologist, depending on your medical scheme requirements and what is available to you.
What number do I call in a medical emergency in South Africa?
You can dial 112 from a cellphone or 10177 for an ambulance.
