Does Working Out Affect Your Period?

If you’re wondering whether or not working out affects your period, you’re not alone. Many women are curious about how exercise might impact their menstrual cycle. Here’s what you need to know.


When it comes to questions about how to maintain a healthy lifestyle, you may wonder how your workouts can affect your monthly menstrual cycle. Working out can have a variety of effects on the three main phases of your menstrual cycle, with some being more beneficial than others. It’s important to understand the impact that working out can have on the hormones in your body and the signs that you may experience during each phase. The information provided here can help you gain a better understanding of the effect exercise has on your period and suggest some tips for safe and enjoyable exercise tailored for each phase.

The Science Behind Exercise and Menstrual Cycles

The relationship between exercise and menstrual cycles has been studied extensively over the years. Regular physical activity has been shown to improve overall health and well-being, but can it also influence the menstrual cycle and the hormones that control it? In this article, we will look at the scientific research behind exercise and its effects on menstruation.

How Exercise Affects Hormone Levels

It’s important to understand that regular physical activity—a mix of both aerobic and strength-training—can affect hormones, because hormones are responsible for regulating certain metabolic processes including body weight, body fat, cardiovascular health, and sex drive. In terms of hormone regulation, the type and frequency of exercise one engages in can be especially influential.

Physical activity works directly on the endocrine system by influencing the release of stress-related hormones like cortisol and adrenaline, both of which can have an impact on reproductive hormones. Many athletes intentionally alter their training regimens to influence hormone levels in order to maximize performance. Which is important to note when considering how your own workout regimen–frequency as well as intensity–can possibly interrupt your menstrual cycle.

Different types of exercise also work differently on hormone levels — for example, moderate or high intensity exercise leads to a higher release of cortisol compared to low intensity activity or rest days; however research has shown that low intensity aerobic training has been shown to increase progesterone without increasing cortisol levels. The effect this type of exercise (low-intensity) has on female reproductive systems is still underexplored; however it is reasonable to assume that higher or more frequent bouts might have negative impacts and disturb menstrual cycle timing and ovulation processes. Lastly it’s noteworthy that lack of physical activity could also cause an irregular menstrual cycle due to weight gain leading to increased obesity levels leading indirectly increases in prolactin levels which disrupts the hormonal balance associated with ovulation initiation

How Exercise Affects the Length of Your Cycle

Although there’s a lot of debate about how much exercise can affect the menstrual cycle, it’s clear that certain types of physical activity can play a role in cycle length and regularity. Studies have shown that higher levels and longer duration of physical activity can cause shortening of the menstrual cycle, meaning you might experience your period more frequently or even multiple times each month.

On the other hand, there’s also evidence suggesting that physical activity may lengthen the menstrual cycle. According to one study, intensely exercising for at least four hours per week caused an overall lengthening of the menstrual cycle compared to women who did not participate in any intense exercise. The study determined that athletes who were training for long-distance running events were more likely to experience delayed ovulation than athletes who trained for short-distance events, resulting in extended luteal phase (the time between ovulation and onset of menstruation) lengths.

Ultimately, more research is needed to address this topic more thoroughly and determine exactly how different types of exercise impact a woman’s menstrual cycle. In order to reduce possible risks associated with over-exercising such as amenorrhea (the absence or suppression of monthly menses), it’s important for women to practice moderation and make sure their workouts are balanced and dynamic; stretching combined with cardio will provide greater results without leading to negative symptoms related to extreme exercise intensity.

Benefits of Exercise During Your Period

Regular exercise has many benefits for both body and mind, and the same is true when it comes to your period. Exercise can increase circulation, which can help to alleviate cramps and fatigue that are associated with your period. Working out can also help to reduce stress hormones, resulting in a more positive outlook and increased energy levels. Let’s explore the benefits of exercise during your period in more detail.

Improved Mood and Energy Levels

Along with the numerous other benefits that exercise provides for your physical and mental health, exercising during your period can have a positive effect on how you feel. Low- to moderate-intensity exercises such as walking, biking, running, and swimming have been found to reduce mood swings and irritability associated with menstruation while also helping to increase energy levels. Additionally, exercising during your period can help reduce fatigue during this monthly phase in your cycle.

Studies suggest that intense exercise – such as high-intensity interval training (HIIT) – may be beneficial by releasing endorphins, which are neurotransmitters that can help reduce discomfort related to menstrual cramps and possibly even symptoms of premenstrual syndrome (PMS). In place of or in addition to exercise, certain relaxation techniques have also been found to be highly effective at alleviating period-related discomfort. These activities include rhythmic breathing exercises, stretching yoga poses, progressive muscle relaxation and mindfulness meditation.

Reduced Cramps and Bloating

Increased physical activity during your menstrual cycle can have many positive health benefits, including reducing cramps and bloating. Regular exercise releases endorphins, which are hormones that reduce overall pain and discomfort. Exercising during your period can also help increase your overall energy level, since it increases circulation and reduces fatigue. Additionally, physical activity can help to reduce overall water retention in the body, sometimes leading to the reduction of bloating. When you’re feeling bloated or uncomfortable it may be hard to get motivated for exercise but by taking small steps you may find that you have more energy and feel better than before. So don’t let the pain stop you from living life to the fullest!

Risks of Exercise During Your Period

Working out during your period can be a great way to help alleviate menstrual cramps and improve your overall mood. However, there can also be some risks associated with exercising during your period. In this section, we will discuss the potential risks that can be associated with working out during your menstrual cycle.

Increased Risk of Injury

Exercising during your period may increase your risk of injury due to increased hormones and induced fatigue. Prostaglandins, a hormone involved in the menstrual cycle, are responsible for causing most of the associated cramps and pain experienced during your period. Unfortunately, this hormone is also partially responsible for decreasing your ability to tolerate pain associated with exercise. This makes it easier to push yourself too hard or beyond your normal threshold when exercising during this time which can increase the risk of injury. Additionally, during menstruation you may experience more fatigue than usual due to hormonal imbalances; this means that you won’t be able to give as much effort during exercises which can eventually lead to an increased risk of injury if pushed too hard. It’s always important to listen and be aware of your body’s signals when exercising, but especially so when performing physical activity during your period.

Lowered Immunity

One of the possible risks of exercising during your period is the fact that it can potentially lower your immunity. Exercising during this time can put increased physical stress on the body. This can weaken your immune system and leave you more susceptible to illnesses, such as colds and flu. Additionally, intense workouts can lead to an imbalance in hormones which may also contribute to a lowered immunity. To reduce the risk of a weakened immune system, it is recommended that you reduce the intensity or duration of your exercise routine while menstruating and aim for moderate workouts instead. Taking some extra rest days may be especially beneficial during this time and can help ensure that you recover properly before your next session.


Overall, working out can have various effects on your period. It is important to keep in mind that physical activity is beneficial for cardiovascular health, overall wellbeing and even affects hormone levels, which can affect the occurrence of one’s period. Therefore, if you are considering starting an exercise routine or increasing your current workout level it is best to speak with your physician first. Additionally, staying mindful of your body’s warning signs to be cautious and pay attention to any changes that occur. Exercising can help make your periods more regular as well as reduce symptoms such as cramps and mood swings, but it is important to make sure it is done with moderation and proper potential warning signs are monitored.

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