Why is My Period Light? Does it Indicate Low Fertility?

Knowing what constitutes “normal” for a period will aid you in determining whether or not your period is light. Every month, your uterine lining sheds through your cervix and vagina.

Your cycle is relatively constant regarding the number of days and the flow rattan. Every 21 to 35 days, women usually get their menstruation. The length of a woman’s menstrual cycle can vary from two to seven days. On the other hand, your menstruation may change over time due to various factors. For example, the lining will not detach if you’re pregnant and won’t have a period.

Because each woman and her period are unique, your period may arrive on time or at an unforeseen time. 

Symptoms of Light Periods 

You may be having light period problems if you face the following symptoms:

  • Missed one or more periods
  • Your bleeding is very light 
  • Bleed fewer than two days
  • Experiencing frequent light periods for more than a typical 21 to 35 days cycle. 

Remember that even if you have an atypical period for no apparent cause, you should still notify your doctor. They can help you determine if any medical issues impact your menstrual cycle or vaginal bleeding.

Causes of Light Periods 

Many reasons may induce light periods, such as:


In your teenage years, your period can fluctuate in duration and flow. On the other hand, if you are in menopause, you may have irregular, light-flowing periods, and Hormonal imbalances are to blame for these events. 


It is improbable that you will get a period while pregnant. You may notice some spotting and mistake it for your period, but it might be implantation bleeding. When a fertilized egg connects to the uterine lining, this can happen. Typically, implant bleeding lasts two days or less. 

Weight and Diet 

Your menstruation can be affected by your weight and body fat percentage. Your menstruation may become irregular because your hormones aren’t operating correctly if you’re severely underweight. Additionally, reducing or gaining a significant amount of weight can disrupt your cycle. 

Breast Feeding 

Your periods may not return right after you give birth if you are breastfeeding, and the milk production hormone suppresses ovulation and postpones the return of your menstruation. If you are breastfeeding your child, you may not get your period for several months after giving birth.

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Even if your period hasn’t returned, you can still become pregnant while breastfeeding. Because you’ll ovulate two weeks before your first postnatal period, this is the case. If you’ve had unprotected sex while breastfeeding and have spotting, you should get a pregnancy test to ensure the discovery isn’t due to implantation bleeding. 

Light Periods and Menstruation 

When it comes to most cases, having a light period isn’t anything to be concerned about. If you’ve always had a light period, or if your period has always been on the short side, you should be happy!

This is unlikely to impact your chances of becoming pregnant in the future. In contrast, if your insufficient flow is a rapid change that cannot be explained by increased stress or significant weight loss, you may wish to investigate what is causing such a brief time. 

When it comes to what causes a light period, one of the most common underlying medical issues is Polycystic Ovarian Syndrome, also known as PCOS. This is a condition in which women produce higher male hormones than the average woman.

And, as you are undoubtedly aware, PCOS is one of the most common reasons for infertility in women today, ranking second only to menstrual irregularities. PCOS sufferers can have a safe pregnancy and carry a child to term if they receive correct medical treatment to help keep their hormones in check, but this is not always the case.


There are many reasons for changes to the expected timing and amount of menstruation. It is advisable to consult a gynecologist in case of any problem related to your period. If you face any medical issues related to your menses, visit MARHAM.PK to consult the best gynecologist

Frequently Asked Questions (FAQs) 

What are the risk factors of light periods?

Light menstrual bleeding can affect women of any age. It is possible that your body is not functioning correctly if you have a light period. To find out why it is occurring, you should consult your doctor. Amenorrhea is a condition in which a woman does not have a period for three months or longer.

What are the severe medical conditions of light periods? 

Periods that are unusual or irregular may be a symptom of a more serious health condition. Periods regularly suggest that your body is in good functional condition. According to experts, a short length of time could be a symptom of hormonal imbalances or another medical disease. Period irregularities can be caused by conditions such as Polycystic Ovarian Syndrome and problems with the reproductive organs.

What eating disorders are related to light periods? 

Eating disorders such as anorexia nervosa and bulimia can induce irregular menstruation. Eating disorders might cause you to lose weight, messing with your period hormones.

Does overexercise lead to light periods? 

Women who exercise regularly may notice changes in their menstrual cycle. Athletes can be stressed, have a low body mass index, and expend a lot of energy. As a result, the periods may change.

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