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  • Exercises to Avoid During Your Period, and What to Do Instead

    Exercises to Avoid During Your Period, and What to Do Instead

    Day three, and the plan on your phone says heavy squats. Your body has filed a complaint. Training advice tends to swing between “push through it” and “stay in bed,” which leaves the boring middle unanswered. That middle is where the honest answer to which exercises to avoid during your period actually lives.

    Key takeaways

    • Periods are not a medical reason to stop training, and NHS guidance lists gentle movement such as walking, swimming, cycling and yoga among its pain-relief steps.
    • The exercises to avoid during your period are the ones that spike your own symptoms: max-effort lifts, high-impact jumping, and long sessions in the heat.
    • Heavy bleeding plus a hard training block is the combination most likely to drain your iron stores.
    • A period that disappears while you train hard is a signal to get checked, not a badge of discipline.
    • Stop mid-session if you feel faint, dizzy or flood through a pad in an hour, because those belong in a doctor’s office rather than a grit test.

    What the research says about training on your period

    Clinicians do not treat menstruation as a reason to stop moving. Cleveland Clinic notes that people who exercise tend to have less menstrual pain, and NHS period pain guidance names gentle exercise such as walking, swimming, cycling and yoga among its self-care steps. A 2024 Bayesian network meta-analysis of 33 randomised trials in BMJ Evidence-Based Medicine put exercise at roughly a three-point drop in pain intensity on a ten-point scale. The same review hedges, describing non-drug options as things that “may result in a reduction or slight reduction in pain intensity” and calling for larger trials.

    The research is friendly, but it describes averages rather than your Tuesday. What shifts across a period is tolerance, not permission. Cramping happens when prostaglandin makes the uterus contract, and levels are highest around the start of bleeding, which is when the same workout can feel twice as heavy. Cleveland Clinic estimates that about 60% of people who menstruate get mild cramps, while 5% to 15% report pain severe enough to interfere with daily activities.

    Exercises to avoid during your period

    There is no medical list of banned movements, so treat any confident version of one with suspicion. In practice, the exercises to avoid during your period are the ones that make your own symptoms worse, and for most people that means changing the dose instead of cancelling the session. Here is where the adjustments usually land.

    Max-effort lifting is the first thing to scale back. A one-rep-max deadlift or a session built on hard bracing asks for stamina and a steady core rhythm, and both are harder to hold on your heaviest days. High-impact work comes second: box jumps, sprint intervals and long downhill runs land hard when your pelvis already aches. Long sessions in the heat, hot yoga included, get rough fast when you are already lightheaded.

    Yoga inversions deserve their own note. The rule that going upside down sends menstrual blood the wrong way is studio folklore, and NHS guidance does not single out any pose as one to stop. If inversions feel fine they are fine, and if they make you dizzy, that is the whole reason to skip them.

    Anything a doctor has flagged outranks all of this. Endometriosis, a bleeding disorder, a history of anaemia or a heart condition each change the picture, and your clinician’s advice wins. Swimming is the classic case of an exercise people avoid for cultural reasons rather than medical ones, and NHS guidance names it as a way to ease period pain.

    Why heavy bleeding and hard training are a poor pairing

    Iron is where period training most often goes wrong. NHS says iron deficiency anaemia is usually caused by blood loss, and lists tiredness, shortness of breath, palpitations, pale skin and headaches among the signs. A 2018 review in the European Journal of Sport Science found that menstruating athletes, particularly those with heavy menstrual bleeding, carry a higher risk of iron deficiency. That matters twice in training, because iron carries the oxygen your muscles keep asking for.

    Heavy bleeding has a working definition, and it helps to know where you sit. NHS counts changing a pad or tampon every one to two hours, using two products at once, periods longer than seven days, or clots bigger than about 2.5cm. A study of 30 female varsity athletes in Applied Physiology, Nutrition, and Metabolism found 20% were iron deficient, and that a higher menstrual loss score went with lower ferritin. If your flow is heavy and your training block is heavy, ask for a ferritin test instead of guessing.

    Can training too much change your cycle?

    Yes, and this is the part of the question where the risk is real and well documented. NHS lists “doing too much exercise” among the common causes of missed or late periods, alongside sudden weight loss and stress. Sports medicine describes the same pattern through low energy availability: burn more than you take in for long enough and the hormonal signal driving your cycle weakens. A 2019 review in Sports Medicine sets out how that plays out across menstrual function and bone health, and notes there is no single energy threshold where it starts.

    The distinction that matters is sustained under-fuelling against one hard day. A brutal session on day two will not stop your period, but months of eating too little around hard training can. A 2026 narrative review in Frontiers in Sports and Active Living, drawing on 151 studies, describes menstrual dysfunction as a clinical barometer of energy deficiency and links it to weaker bone density over time. Missing periods has plenty of other causes, so treat it as a reason for a check-up rather than a self-diagnosis.

    What to do on the days you feel awful

    Scale intensity and keep the habit. A twenty-minute walk, an easy spin, a swim or a mobility session keeps your routine intact and often eases cramps. NHS self-care for period pain also covers a heat pad wrapped in a tea towel, a warm bath, and painkillers such as paracetamol or ibuprofen. If you need painkillers to get through training most months, book a GP appointment rather than buying another supplement.

    Move the hard sessions when your schedule allows. For a lot of people the first two days are the worst and things ease after that, so the heaviest lifting can wait a week or two. There is no rule that your training week has to look identical seven days out of seven.

    When to see a doctor

    Get urgent help if period pain is severe or worse than usual and painkillers have not touched it, or if you feel faint during or after training. Book a GP appointment if heavy periods are affecting your life, you bleed between periods, your periods run past seven days, or you have missed three in a row. Unusual breathlessness, palpitations and fatigue during exercise are worth mentioning too, since they can point to anaemia. None of that is a failure of effort.

    How Lail can help

    Tracking is the unglamorous half of this problem. Lail is a private period tracker for Android that keeps your data on your phone, with no account and no cloud sync. You can log flow, cramps, mood and weight, then look back at which days your training actually fell apart. That record does more at a GP appointment than a vague memory of a bad month, and you can install Lail from Google Play.

    This article is educational and is not medical advice. Talk to a qualified healthcare professional about your own symptoms and before changing how you train.

    Featured image: a woman holding a push-up position on a mat. Photo by homegets.com on Flickr, CC BY 2.0: https://www.flickr.com/photos/141436406@N04/49778014313

    FAQ

    Is it safe to lift weights on my period?

    For most people, yes. Strength training does not appear on any medical no-go list for menstruation. What changes is how much you can recover from, so save the one-rep-max attempts for a week when you feel less flat.

    Should I skip the gym on my heaviest day?

    Not automatically. If your flow is heavy and you feel drained, an easy session beats a hard one, but no medical rule says stay home. Adjust the plan instead of dropping the habit.

    Does exercise make period pain worse?

    The evidence points the other way. The 2024 network meta-analysis found exercise reduced pain intensity, and NHS lists gentle exercise among its self-care advice. If your experience differs, track it for two or three cycles before deciding.

    Which exercises to avoid during your period should I genuinely skip?

    Only the ones that make your symptoms worse on the day. The exercises to avoid during your period are the ones that spike pain, not a fixed list you have to memorise. Everything else stays optional.

    Can too much exercise stop your period?

    It can be one cause, and NHS lists it among the common reasons periods go missing. The mechanism is usually sustained low energy availability rather than the workout itself. If you have missed three periods in a row, see a GP.

    Sources

  • Follicular Phase Workouts: Why You Feel More Energetic After Your Period

    Follicular Phase Workouts: Why You Feel More Energetic After Your Period

    You wake up one morning and the difference is obvious: the cramps are gone, the walk to the bus stop feels easy again, and your body is no longer running on reserve. Most people feel this shift and never connect it to the calendar. If you have felt it too, follicular phase workouts are the answer most guides skip. This is not just a nicer week; it is a physiological window, and training that respects it tends to feel better and go further.

    Key takeaways

    • Energy often climbs in the first half of your cycle, after your period ends, as estrogen rises (US Office on Women’s Health).
    • The follicular phase starts on day one of your period and runs until ovulation, so bleeding days and high-energy days belong to the same phase.
    • This window suits cardio-based training: running, swimming, cycling and group fitness classes (Cleveland Clinic).
    • Higher pain tolerance can make strength work feel more comfortable here, but intensity still has to fit how you actually feel.
    • Constant exhaustion even after your period is not normal and can point to heavy bleeding or iron deficiency, so get it checked.

    Why the week after your period feels different

    Your cycle is counted from the first day of one period to the first day of the next, and the hormones that drive it follow a predictable arc. In the first half of that cycle, the weeks right after your period in a typical 28-day cycle, energy levels may be higher, memory sharper and pain tolerance higher too, according to the US Office on Women’s Health. Cleveland Clinic describes the same pattern in its cycle-syncing guide: estrogen climbs after your period, and energy typically increases with it.

    So the lift is not in your head. Estrogen is a hormone with wide effects, and as its levels rise through the follicular phase, many people feel more capable and more willing to move. The second half of the cycle is the flip side. After ovulation, progesterone climbs, and with it comes the sluggish, low-energy feeling many people know from the days before their period.

    What the follicular phase actually is

    The follicular phase is the first half of your cycle. It begins on day one of your period, when the ovary starts preparing a new egg, and ends at ovulation, which in a textbook 28-day cycle lands around day 14. Bleeding usually occupies the opening days of the phase. That is why “wait until your period is over to train hard” is only half right: your period itself is part of the follicular phase, and the energy surge arrives as bleeding tapers off and estrogen takes over.

    A normal cycle can run anywhere from 24 to 38 days, so treat day numbers as rough guides. What matters for training is the pattern: low energy while you bleed, a rising window after, peak energy near ovulation, then a gradual wind-down. Once you can name where you are in that arc, choosing a workout stops being guesswork. If you are not sure when your own ovulation actually lands, the signs are readable without an app: how to track ovulation covers cervical mucus, basal body temperature and LH strips.

    Follicular phase workouts that fit your energy

    Cleveland Clinic’s advice for this phase is straightforward: as your energy increases, add cardio-based workouts to your days. Running, swimming and group fitness classes are great options to get your heart rate up. If you spent your period on gentle walks, this is the moment to switch into a steadier jog, book the class you keep postponing, or take your workout outdoors.

    Strength training fits here too. The higher pain tolerance reported in the first half of the cycle means hard efforts can feel more manageable, so this is a reasonable window to progress your usual weights. Start where your last session left off and add a little only when the session feels genuinely comfortable. The point of follicular phase workouts is not to prove how hard you can go; it is to use the days when your body responds well, so the harder weeks later do not feel like a cliff.

    Warm up properly before any hard session, because joints and muscles still need a few minutes to switch on. Drink water before and during training, since even mild dehydration dulls energy and recovery. And keep one rest or light-mobility day even in this phase. Energy is higher here, not unlimited.

    A simple follicular phase week

    A balanced week in this phase might look like this, adjusted to your schedule:

    • Monday: easy jog or brisk walk, 20 to 30 minutes.
    • Tuesday: strength session focusing on the big movements you enjoy.
    • Wednesday: rest or gentle yoga and stretching.
    • Thursday: swimming, cycling or a group fitness class.
    • Friday: strength session, slightly lighter than Tuesday.
    • Saturday: longer run, hike or active outdoor outing.
    • Sunday: rest or a slow walk.

    Treat the plan as a menu, not a contract. If your energy dips on a given day, swap the hard session for a gentler one. The cycle repeats every month, so there is always another follicular phase ahead.

    When to see a doctor

    Feeling tired during your period is normal. Feeling drained all month, including after your period ends, is worth a conversation with a GP. Persistent tiredness and lack of energy are among the main symptoms of iron deficiency anaemia, which heavy periods commonly cause, notes the NHS. Shortness of breath, noticeable heartbeats, paler skin than usual and headaches can also point to low iron.

    Ask for a blood test rather than self-prescribing supplements. See a GP about your periods themselves if heavy bleeding is affecting your life, you have had heavy periods for a while, or you need to change a pad or tampon every one to two hours. The NHS also lists periods lasting more than seven days, clots larger than about 2.5 cm, and feeling tired or short of breath a lot as reasons to get checked. A sudden change in your usual cycle pattern also deserves a medical opinion.

    How Lail can help

    Lail is a private period and cycle tracker that makes phase-based training practical. It learns your cycle length, predicts your next period, and shows you which phase you are in today, so you can plan harder workouts for your follicular days and lighter ones before your period. Its Wawasan (Insights) section offers food, activity and information suggestions matched to your current cycle phase, and logging symptoms, mood and weight helps you spot your own energy patterns. Everything stays on your phone, with no account, no login and no cloud upload: browse our cycle and fertility guides, download Lail from Google Play, or visit lailapp.nayabisa.com.

    FAQ

    Why do I feel more energetic after my period ends?

    In the first half of your cycle, estrogen levels rise as your period finishes. Many people report higher energy, better memory and higher pain tolerance during these weeks (US Office on Women’s Health). The sluggishness usually returns after ovulation as progesterone climbs.

    What are the best follicular phase workouts?

    Cardio-based training suits this window: running, swimming, cycling and group fitness classes get your heart rate up while your energy is high (Cleveland Clinic). Strength training also fits, since the phase’s higher pain tolerance can make progressive overload feel more comfortable.

    Can I do high-intensity training in the follicular phase?

    Yes, this is generally the phase where harder efforts feel most manageable. Build intensity gradually, warm up properly, and drop the intensity any day your energy does not show up. Near ovulation, energy often peaks, which is a good time for your toughest session of the month.

    Is it normal to feel tired all the time even after my period?

    No. Constant tiredness and lack of energy can signal iron deficiency anaemia, which heavy periods commonly cause (NHS). If you also feel short of breath, notice your heartbeat, or look paler than usual, see a GP and ask about a blood test.

    Does cycle syncing really work?

    The full cycle-syncing program has not been studied as a whole, Cleveland Clinic notes, but research does support differences in mood and activity across the menstrual cycle. Treating phase-based training as gentle guidance, while listening to your body, is the evidence-safe approach.

    Disclaimer

    This article is for educational purposes only and is not medical advice. Menstrual cycles, energy levels and training needs vary from person to person. If you are concerned about heavy bleeding, persistent tiredness, possible anaemia, or any change in your cycle, please consult a qualified healthcare provider.

    Sources