How Late Can a Period Be? When to Be Concerned (2024)

A period that is a few days late is not usually a cause for concern. But, a few weeks late may be a sign of pregnancy or an underlying condition. Factors like weight change and stress can affect your cycle.

If you don’t have any known condition affecting your menstrual cycle, your period should start within 24 to 38 days of your last period, depending on your usual cycle.

If you’re 7 days past your expected due date, it is considered late. After 6 weeks, you can consider your late period a missed period.

If your period is a day or two later than usually, it’s unlikely to be an immediate cause for concern. Variations in menses can occur due to various reasons.

Several things can delay your period, from basic lifestyle changes to chronic health conditions. Here’s a look at 10 possible causes.

High stress levels can lead to irregular menstruation.

Your body’s stress-response system is rooted in a part of the brain called the hypothalamus. While you may no longer be running from predators, your body is still hardwired to react as if you were.

When your stress level peaks, your brain tells your endocrine system to flood your body with hormones that switch on your fight-or-flight mode. These hormones suppress functions, including those of your reproductive system, that are not essential to escaping an imminent threat.

If you’re under a lot of stress, your body can stay in fight-or-flight mode, which can make you temporarily stop ovulating. This lack of ovulation, in turn, can delay your period.

Severe changes in body weight can affect your period’s timing. Extreme increases or decreases in body fat, for example, can lead to a hormonal imbalance that causes your period to come late or stop entirely.

In addition, severe calorie restriction affects the part of your brain that “talks” to your endocrine system and gives instructions for the creation of reproductive hormones. When this communication channel is disrupted, hormonal patterns can change.

A strenuous exercise regimen can also cause missed or irregular periods. This is most common in those who train for several hours a day. It happens because, whether intentionally or not, you’re burning more calories than you’re taking in.

When you burn too many calories, your body doesn’t have enough energy to keep all its systems running. More strenuous workouts can increase hormone release that can affect your menstruation.

Periods typically go back to normal as soon as you lessen training intensity or increase your caloric intake.

Polycystic ovary syndrome (PCOS) is a set of symptoms caused by an imbalance of reproductive hormones. Many people with PCOS do not ovulate regularly.

As a result, your periods may:

  • be lighter or heavier than standard periods
  • arrive at inconsistent times
  • disappear altogether

Other PCOS symptoms can include:

  • excess or coarse facial and body hair
  • acne on the face and body
  • thinning hair
  • weight gain or trouble losing weight
  • dark patches of skin, often on the neck creases, groin, and underneath breasts
  • skin tags in the armpits or neck
  • infertility

Many people love the pill because it makes their periods so regular. However, it can sometimes have the opposite effect, especially during the first few months of use.

Similarly, when you stop taking the pill, it can take a few months for your cycle to get back to normal. As your body returns to its baseline hormone levels, you may miss your period for a few months.

If you’re using another hormonal birth control method, such as an intrauterine device (IUD), implant, or shot, you might completely stop getting your period.

Perimenopause is the time leading up to your menopausal transition. It typically starts in your mid- to late 40s. Perimenopause can last for several years before your period stops completely.

For many, missed periods are the first sign of perimenopause.

You may skip a period 1 month and be back on track for the following 3 months. Or, you may skip your period 3 months in a row and find that it arrives unexpectedly, often lighter or heavier than you’re used to.

Early menopause, also known as premature ovarian insufficiency, happens when your ovaries stop working before you turn 40.

When your ovaries are not working the way they should, they stop producing multiple hormones, including estrogen. As your estrogen levels drop to all-time lows, you will begin to experience the symptoms of menopause.

Late or missed periods may be an early sign. You may also experience:

  • hot flashes
  • night sweats
  • trouble sleeping

Other signs of premature ovarian insufficiency include:

  • vagin*l dryness
  • trouble getting pregnant
  • decreased sexual desire
  • mood disturbance or mood changes

Your thyroid is a butterfly-shaped gland in your neck that produces hormones that help regulate many activities in your body, including your menstrual cycle. There are several common thyroid conditions, including hypothyroidism and hyperthyroidism.

Both hypothyroidism and hyperthyroidism can affect your menstrual cycle and cause irregularity, but hyperthyroidism is more likely to cause late or missed periods. Sometimes, your period may disappear for several months.

Other symptoms of a thyroid issue include:

  • heart palpitations
  • appetite changes
  • unexplained weight changes
  • nervousness or anxiety
  • slight hand tremors
  • fatigue
  • changes to your hair
  • trouble sleeping

Certain chronic health problems, especially celiac disease and diabetes, are sometimes associated with menstrual irregularities.

Celiac disease is an autoimmune disease that affects your digestive system. When people with celiac disease eat gluten, their immune system reacts by attacking the lining of the small intestine.

When the small intestine is damaged, it impairs the body’s ability to absorb nutrients from food. This can lead to malnourishment, which affects normal hormone production and leads to missed periods and other menstrual irregularities.

Those with type 1 and type 2 diabetes might also experience a missed period in rare cases. This tends to only happen when blood sugar levels are not managed.

Amenorrhea is when you stop having periods for 6 months or more. It is normal during pregnancy, but it can also be a sign of an underlying condition, such as:

  • problems affecting the hormonal system
  • a tumor
  • a condition you were born with, such as Cushing syndrome

Treatment for amenorrhea will depend on the cause.

If there’s a chance you may be pregnant and your cycles are typically regular, it may be time to take a pregnancy test.

It’s best to do this about 1 week after your period was supposed to start. Taking a test too early can result in the test being negative even if you’re pregnant, as it’s too early for the test to pick up the pregnancy hormone in the urine.

If your periods are typically irregular, it can be harder to find the right time to take a pregnancy test. You may want to take a few tests over the course of several weeks, or talk with a healthcare professional to be sure.

Other early symptoms of pregnancy to watch for include:

  • tender, painful breasts
  • swollen breasts
  • nausea or vomiting
  • fatigue

Can periods be late by 10 days?

If your period is seven days late, it’s considered late. If you’ve gone 6 weeks without a period, it’s called a missed period. This can and does happen, and there are many possible reasons.

What is considered a missed period?

What you can consider a very late period will depend partially on your cycle. Menstrual cycles can vary widely, usually from 24–38 days. If you go 6 weeks without a period, it’s considered a missed period.

Can my period be late but I’m not pregnant?

Pregnancy is not the only reason for a late or missed period. Other factors include excessive exercise, changes in body weight, and stress. Maybe you are pregnant but tried a pregnancy test too early to confirm the result. If applicable, try testing again 21 days after you had unprotected sex.

Am I pregnant or is my period delayed for another reason?

People’s menstrual patterns vary widely, and periods can be late for various reasons besides pregnancy. If you miss a period and this is unusual for you, it’s a good idea to seek medical advice. Also, see a doctor if you miss a period and a pregnancy test shows negative but you have other symptoms. It could be a sign of an underlying condition that needs medical attention.

Can I be pregnant if I got my period 5 days late?

Menstrual cycles are different for everyone, so five days can be too short of a delay to indicate pregnancy for some people. That said, if your period is always on time, or if you want to know, you can take a pregnancy test. For the most accurate results, it’s a good idea to wait at least a week after your missed period date.

What are other signs of a late period?

Besides not getting your period at the expected time, you might not experience other symptoms that you typically experience before or during your period such as tender breasts, mood swings, or fatigue. That said, not everyone experiences such symptoms with their periods.

Your period is generally considered late if it has not occurred within your cycle’s usual time frame since the start of your last period.

Many things can cause this to happen, from routine lifestyle changes to underlying medical conditions. If your period is regularly late, make an appointment with a healthcare professional to determine the cause.

How Late Can a Period Be? When to Be Concerned (2024)

FAQs

How Late Can a Period Be? When to Be Concerned? ›

However, if your menstrual cycle typically runs like clockwork every month and you've noticed you are over a week late, then it's time to take a pregnancy test or book in with your doctor. And if your period has fallen outside of the normal 24-38 day range, then you should follow the same advice.

How late can a period be without being pregnant? ›

“Normal cycles occur every 28 days, plus or minus a week,” says Dr. Carlson. “The cycle starts on the first day of your period. If you've gone over 35 days without your period, that would be considered late. Some people go for a few months at a time without a period, and that would be more concerning.”

How much delay in periods is normal? ›

If you don't have any known condition affecting your menstrual cycle, your period should start within 24 to 38 days of your last period, depending on your usual cycle. If you're 7 days past your expected due date, it is considered late. After 6 weeks, you can consider your late period a missed period.

How many days delay in period confirms pregnancy? ›

A late period is when a woman's menstrual cycle doesn't start as expected, with a normal cycle lasting between 24 to 38 days. When a woman's period is seven days late she may be pregnant although other things may cause a late or skipped period.

Can I be 6 days late and not pregnant? ›

You can miss your period, not be pregnant, and not have a condition. It can be due to stress, changes in your diet or exercise, weight changes, or medications. If you think you might be pregnant, take a pregnancy test on the day of your expected period or a few days after.

Can I be 3 months pregnant and still test negative? ›

The hook effect incorrectly gives you a negative result on a pregnancy test. This can happen during early pregnancy or in rare cases — even into the third trimester, when it's pretty clear you're preggers. During pregnancy your body makes a hormone called human chorionic gonadotrophin (hCG).

Am I pregnant or just late? ›

It's important to keep in mind that your period is considered regular as long as it comes every 24-38 days. However, if your menstrual cycle typically runs like clockwork every month and you've noticed you are over a week late, then it's time to take a pregnancy test or book in with your doctor.

Can you be 2 weeks late and test negative? ›

The simple answer is yes, you could still be pregnant even with a negative test, depending on when you took it, but there are also other reasons your period could be late.

Why am I not getting my period but not pregnant? ›

Menstrual irregularities, such as missed or late periods, occur in 14–25% of women of childbearing age. They can result from a range of conditions besides pregnancy, including hormonal imbalances, hormonal birth control, stress, weight loss, trauma, and certain health conditions.

When to worry about a late period? ›

See a GP if:

you've missed your period 3 times in a row. your periods have not started by the time you're 16. you've missed your period and have other symptoms like weight gain or weight loss, tiredness, hair growth on your face and dry or oily skin.

What are the signs that your period is not coming? ›

Depending on the cause of amenorrhea, you might experience other signs or symptoms along with the absence of periods, such as:
  • Milky nipple discharge.
  • Hair loss.
  • Headache.
  • Vision changes.
  • Excess facial hair.
  • Pelvic pain.
  • Acne.
Feb 9, 2023

How do you know if your period is coming or you're pregnant? ›

Many symptoms can occur with both pregnancy and PMS. These include mood changes, constipation, breast pain and tenderness, fatigue, bleeding, cramping, headaches, and appetite changes. However, some symptoms are more likely to indicate pregnancy. These include nausea, nipple changes, and missing a period.

Why is my pregnancy test negative but no period? ›

There may be many reasons for a negative pregnancy test after a missed period. You may have an undiagnosed medical condition, such as PCOS, or be experiencing extreme stress. After getting a negative test result, you should wait a few days to a week before taking another test.

Can I be 5 weeks pregnant and still test negative? ›

Pregnancy tests can sometimes give a false negative result to women several weeks into their pregnancies, according to research by Ann Gronowski, PhD, a professor of pathology and immunology at Washington University School of Medicine in St.

What is the maximum delay in periods? ›

A late period can be delayed for about 5 days to a maximum of 1 to 2 months. A delayed period that lasts for longer than 3 months can be a sign of amenorhea, or lack of menstruation. In these cases, of pregnancy has been rules out, the underlying cause should be investigated by a gynecologist.

How many days late can a period be before worrying about pregnancy? ›

Reproductive and sexual health professionals tout that as long as your cycle comes every 24-38 days, it is considered normal. However, if you typically have a very regular cycle and you've noticed you're over a week late, then it's time to either (1) take a pregnancy test or (2) book in with your doctor for testing.

Can you have a late period definitely not pregnant? ›

Sometimes the gap between your periods may just vary each time. Your periods might come early or late. This is known as having irregular periods. Periods can also sometimes stop as a result of a medical condition, such as heart disease, diabetes or an overactive thyroid.

What's the longest a woman can go without a period? ›

Some variation in menstruation is normal, but a woman who regularly goes more than 35 days without menstruating may be diagnosed with oligomenorrhea. Periods usually occur every 21 to 35 days. The diagnosis changes to oligomenorrhea after more than 90 days without a period.

Can your period be 50 days late? ›

Anyone who notices a change in the length of time between periods should speak with a doctor. Also, it is a good idea to consult a doctor if periods come more often than every 21 days or less often than every 45 days. Amenorrhea is not life-threatening .

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