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Period One Week Apart: 6 Best Causes

Are you a woman reading this article? Are you worried about the pattern of your periods and the reasons behind it?

So, what might be the causes of periods one week apart?

It can occur due to thyroid diseases, perimenopause, uterine fibroids, endometriosis, and other reasons. A minor change in the menstrual cycle is not bothersome. You may not even need to consult with a doctor, but if the complaint persists, you must consult with a healthcare provider. 

This article will give you a complete insight into periods one week apart. Keep reading to know more. 

Table of Content

What are Period One Week Apart?

You need to figure out that is the period- normal menstrual bleeding or spotting.

You can figure out the difference between menstrual bleeding and spotting by:


Menstrual periods are heavy enough to get your tampon or a pad soak in a few hours. However, spotting does not cause enough bleeding to get your pad or a tampon filled with blood.

Another thing to differentiate is that the blood of the menstrual period is dark red, reddish-brown, or sometimes pink, but in spotting, the blood is usually dark brown or red.

Once you have figured out that either it is menstrual bleeding or spotting, you can give a better history to the doctor, and they can make a final diagnosis. 

What Are The Causes For Having Periods One Week Apart?

Getting two periods in a month or one week apart can happen because of shorter menstrual cycles.

The causes of having periods one week apart can be:

One Time Anomaly

You may get two periods in one month because of no such reason. To make a final diagnosis, your health care providers will wait and see if the pattern is persistent or not.

If it remains for a long time, they will advise you to get checked and perform examinations and tests to know the exact cause for having two periods in a month.

Sometimes it may happen for no such reason. Therefore there is nothing to worry about, but if the pattern persists in the same way or worsens, you may need to get checked with the doctor.

Being Young

Girls who just have had their periods may have an irregular pattern. It may happen that they get two periods in a month or after two months because their cycle is longer than 28 days.  

When girls hit puberty, the hormones may fluctuate rapidly. Therefore, it can cause two periods in a month for a longer duration. There is nothing to worry about. 

According to experts, it may take around six years for girls to get their periods normalized from the date they get them.


Endometriosis is a condition of the female reproductive system when the tissue that lines the uterus, known as endometrium, grows outside of the uterus. 


Normally, your uterus is lined with an endometrium that sheds during periods it prepares your body for pregnancy and provides the right environment for the baby to grow. However, when fertilization does not happen, the endometrium sheds as periods. 

Endometriosis can cause severe bleeding between two periods that you may feel you have got periods. Other symptoms of endometriosis are abdominal cramping, back pain, and irregular cycle. 

To diagnose endometriosis, your healthcare providers will perform an ultrasound and a pelvic examination. However, to confirm the condition, they may perform a minor surgery called laparoscopy.


Perimenopause is the condition before menopause. When you are about to reach menopause, your hormones fluctuate. 

It causes irregular periods, longer than normal, shorter than normal, heavier or lighter bleeding, or two periods in a month. Perimenopause may long around ten years.

When you do not get a period for 12 consecutive months, that stage is called menopause. 

Thyroid Problems 

In your neck, there is a gland called the thyroid gland that produces hormones that regulate metabolism and body temperature. 

Sometimes, when the thyroid gland does not work well, it can lead to irregular periods. It can happen when you have got hyperthyroidism for hypothyroidism.


Hyperthyroidism is a condition when your thyroid gland is over-functioning, producing too many thyroid hormones. 

Hypothyroidism is a condition when your thyroid gland does not work well and produces too few thyroid hormones. In both conditions, your periods may get affected. 

If you have any problem with the thyroid gland, you may have other symptoms that may help your doctor make the final diagnosis.  

Uterine Fibroids

Fibroids are noncancerous, small growths inside the uterus. They are not life-threatening, but they may cause heavy bleeding.

Symptoms of uterine fibroids are:

  • A feeling of pressure in the uterus or pelvic region 
  • Lower back pain 
  • Increased urination 
  • Dyspareunia- pain during sex

To diagnose fibroids, your healthcare providers may perform some non-invasive tests and a pelvic examination. 

What Are The Complications For Periods One Week Apart?

There is no such serious complication for getting two periods in a month. However, it can lead to anemia because you lose blood more than normal.

Your blood contains red blood cells that carry oxygen to various parts of your body. When you lose too much blood, a deficiency in red blood cells may arise, leading to anemia. 

Blood loss because of heavy menstrual periods can lead to iron deficiency anemia. To prevent it, your healthcare provider may prescribe you iron supplements. 


The symptoms of anemia are:

What Is The Treatment For Periods One Week Apart?

To prescribe the treatment for two periods in a month, your healthcare providers will look for its cause. If it is occurring because you have a shorter cycle than usual or you have just started menstruating, you may not need any treatment. 

But it might be due to other causes as well. Then treatment is a must. 

The possible treatments for frequent periods are:

Prescribing iron supplement

However, anemia remains a concern. Getting periods one week apart can lead to iron loss, leading to iron deficiency anemia. 

Therefore, your healthcare will prescribe iron supplementation or intravenous transfusion to replenish your iron stores. 

Treatment of Hypothyroidism 

Hypothyroidism is a condition when your thyroid gland produces too little thyroid hormone, which can, in turn, affect your menstrual cycle. Therefore, your healthcare providers will prescribe thyroid hormones as replacement therapy. 

Treatment of Hyperthyroidism 

Hyperthyroidism is a condition when your thyroid gland produces too much thyroid hormone, which can, in turn, affect your menstrual cycle. 

Various drugs can help treat hyperthyroidism. Your healthcare provider will choose the one most appropriate for you. 

Treatment of Perimenopause 

Perimenopause is a condition before menopause that can occur around ten years before reaching menopause. 

Perimenopause can cause irregular periods, for which your healthcare providers will prescribe hormone replacement therapy that can help normalize your periods until you reach menopause. 

Treatment of Fibroids and Cysts

Fibroids and cysts can cause irregular periods, for which your healthcare providers have the following treatment options. 

Placing Intrauterine Device

A device is placed inside your uterus that can help normalize periods. 

Performing MRI Guided Ultrasound Surgery

It is a procedure performed when you are kept under the MRI machine, and the healthcare providers can remove cysts and fibroids. 

Performing Uterine Artery Embolization 

It is a procedure in which your healthcare providers stop the blood supply to the fibroids, which can, in turn, cause them to shrink. 

Performing Myomectomy 

It is a procedure in which your healthcare providers remove fibroids surgically. 

Performing Hysterectomy 

It is a procedure in which your healthcare providers remove your uterus surgically. 

Suggesting Gonadotropin-Releasing Hormone Agonist 

These medications can put you in a postmenopausal state by blocking estrogen and progesterone hormones, which can, in turn, shrink the fibroids that lead to irregular periods.

Solution to Stress

Being too stressed for a long period can lead to irregular menstrual cycles. If something is causing you stress, you can seek professional help and do stress-relieving activities, such as:

  • Read a book 
  • Go for swimming 
  • Talk to someone you trust 
  • Do meditation 

Suggesting Suitable Birth Control Method

Various birth control methods can also help normalize your menstrual cycle. However, some can cause abnormal menstrual cycles. 

Your healthcare providers may change and try different birth control methods for you. It may take some time for your body to get settled with a certain birth control method. 

You should tell your healthcare providers about all the side effects you get with a certain birth control method. Your healthcare providers can guide you on the best birth control method for you. 

When to See a Doctor?

Visit the health care provider if you have any of the following complaints: 

Some questions that your healthcare provider may ask you are:

  • How long are your menstrual cycles?
  • When did you have a complaint about shorter periods?
  • What is the color of the blood?
  • How much heavy periods do you get?
  • How many pads do you need to change in a day?
  • How long is the bleeding?
  • Do you get any blood clots? What is their size?
  • Along with shorter menstrual cycles, do you have any other complaints?


What is the normal menstrual cycle for women?

Answer: Normally, women have a menstrual cycle ranging between 24 to 38 days. In teenage girls, it may last 38 days. The menstrual cycle is not the same for all women. 

Does the menstrual cycle remain the same?

Answer: It varies from one to another. Sometimes, you may have a longer menstrual cycle, and sometimes a shorter one. 

Can a woman get two periods in a month?

Answer: Sometimes you may get two periods in one month. If your period remains less than normal, you may have two cycles in a month, like one at the start of the month and the second at the end, which may occur with no reason for concern.


If you keep getting periods one week apart, you must consult with a healthcare provider so they can diagnose the underlying condition and help treat it. 

It may take some time for your periods to get back to once in a month. So, be patient. You can download a period tracker application that makes tracking dates easier for you.

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