Strength Training and Your Menstrual Cycle: When Should You Adjust?

By Roel van den Bogaard, personal trainer and founder of Aurora Personal Training in Eindhoven.

You can generally strength train throughout your menstrual cycle. There is insufficient convincing evidence for a universal programme requiring every woman to train lightly during her period and perform at her maximum around ovulation. Adjust your training primarily according to symptoms, exercise performance and recovery.

You might train during your period without difficulty. Alternatively, cramps, headaches or fatigue may make a familiar workout feel much harder.

Both experiences deserve attention. You do not need to ignore symptoms, and you do not need to skip a good training day because an app says you are in the wrong phase.

This guide explains what your menstrual cycle may mean for training, what research does and does not show, and how to make practical adjustments.

Hormone levels change throughout a natural menstrual cycle. Some women also experience changes in pain, mood, sleep or fatigue.

However, this does not mean every woman performs in the same way on the same cycle day.

A 2023 review found no convincing basis for predicting strength performance or adaptations to resistance training according to a fixed cycle-phase pattern. The researchers also highlighted limitations in the quality and methods of many studies. [1]

A general phase effect is different from your personal symptoms. If you regularly sleep poorly or experience significant pain, that can justify adjusting your workout.

Limited evidence for fixed phase-based programmes does not make your experience unimportant.

Yes, generally. Menstruation itself is not an automatic reason to stop strength training.

If you feel well and your exercises are going as expected, you can usually follow your planned session.

If you have symptoms, possible adjustments include:

• Reducing the weight.
• Performing fewer working sets.
• Taking longer rests.
• Replacing an uncomfortable exercise.
• Completing a shorter session.
• Resting when training does not feel appropriate.

These are options, rather than a compulsory period-workout routine.

A natural menstrual cycle can be described through the follicular phase, ovulation and the luteal phase. Menstruation occurs at the beginning of the follicular phase.

Practical explanations often divide the cycle into four parts:

Timing and cycle length vary. A calendar assigning fixed phases to days 1–5, 6–14 and 18–28 does not accurately describe every cycle.

A calendar app also cannot confirm exactly when ovulation occurs.

Menstruation: adjust when symptoms warrant it

During bleeding, you may experience cramps, fatigue or other symptoms. You may also feel much the same as on other days.

Mobility work, walking or a shorter strength session may be comfortable alternatives when your usual workout does not suit you. They are not compulsory replacements for strength training.

Follicular phase: progress when appropriate

Some women feel energetic during this part of their cycle. A good training day can be an opportunity to carry out your planned progression.

However, do not automatically increase training volume because your calendar identifies a particular phase. Sleep, work demands and previous workouts also matter.

Ovulation: no guaranteed strength peak

Ovulation does not automatically mean your strength, coordination and confidence reach their maximum.

An estimated ovulation date is also insufficient to determine which loads are safe for your joints. Maintain sensible progression and exercise technique throughout your programme.

Luteal phase: consider your individual response

Some women experience more symptoms before their period, such as bloating, disrupted sleep or mood changes.

If these affect training, make the session more manageable. Without symptoms, there is no automatic reason to reduce your weights.

Cycle syncing usually means organising training and nutrition around menstrual cycle phases.

Recognising a personal pattern can be useful. That is different from following a fixed phase-based schedule with a promise of greater muscle growth.

A small study published in 2025 found no difference in the measured muscle protein synthesis response between the follicular and luteal phases examined. It does not support a general promise that one phase is clearly better for building muscle. It also did not test every possible long-term training programme. [2]

For everyday training, a practical approach remains:

• Follow a clear programme.
• Increase demands gradually.
• Record your performance.
• Adjust when symptoms or recovery warrant it.

Read our guide to progressive overload.

Use your cycle as additional information. Base training decisions on what you actually experience too.

Example: the same workout with lower demands

Suppose you usually perform three working sets per exercise. On a day with symptoms, you might perform two sets and choose a weight that allows controlled movement.

This preserves the structure while reducing the amount of work.

It is an example, rather than a standard prescription for a particular phase. Return to your usual programme when appropriate.

A simple log can help you recognise patterns. Consider recording:

• The first day of your period and bleeding days.
• Symptoms such as cramps or headaches.
• Sleep and fatigue.
• Exercises, weights and repetitions.
• How demanding the workout felt.

Look across several cycles. One disappointing workout does not establish a hormonal cause.

Example of a brief training log

You do not need a detailed hormone analysis to collect useful training information.

An app can help with recording, but it cannot precisely predict your strength or training capacity on a given day.

You do not need a separate shopping list for every phase.

Start with an eating pattern that provides sufficient energy and nutrients for daily life and training. Include regular meals, protein sources, vegetables, fruit, whole grains and suitable sources of fat.

Read about nutrition and muscle growth for the wider foundation.

Iron and heavy menstrual bleeding

Heavy menstrual bleeding can contribute to anaemia. If you are also unusually tired or become breathless more easily, discuss this with your GP rather than diagnosing an iron deficiency yourself. [3]

Iron-containing foods belong in a varied diet. Suspected deficiency may require assessment and specific advice, rather than automatically starting supplements.

Magnesium, vitamin B6 and other supplements

Being in a particular cycle phase is not, by itself, a reason to automatically add magnesium, vitamin B6, zinc or other supplements.

Claims about “balancing hormones” should not replace an assessment of your diet and symptoms. Discuss suspected deficiencies with a doctor or dietitian.

Hydration around your workout

Keep drinks available and adapt your intake to activity, temperature and sweat losses. You do not need a complicated hydration schedule for every cycle phase.

Read more about hydration and strength training.

A general natural-cycle training calendar cannot simply be applied to hormonal contraception.

Effects on bleeding and ovulation differ between methods. For example, withdrawal bleeding during a combined-pill break is different from a natural period following ovulation.

Tracking symptoms, sleep and your training experience can still be useful. Do not change contraception based on a training article; discuss questions with your doctor.

You do not have to accept severe symptoms as a normal part of exercising.

Make an appointment if you:

• Continue to experience severe pain each month.
• Have heavy bleeding that affects your daily life.
• Suddenly lose noticeably more blood.
• Have heavy bleeding alongside unusual tiredness.
• Have not had a period for several months when this is unexpected.

Thuisarts, the Dutch GP patient-information service, advises contacting your GP in these situations. [4–6]

Missing periods are not a training goal

Stress, frequent or demanding exercise, insufficient food intake and other factors can contribute to periods stopping. An online phase-based programme cannot establish the cause.

Discuss this with your GP. Avoid relying solely on self-directed changes to training, food or supplements.

Do you need to rest during your period?

Not automatically. If you feel well, you can usually train. If you have symptoms, adjust the session or rest.

During which cycle phase are you strongest?

There is no universal phase in which every woman is strongest. Look at your own performance across multiple workouts and cycles.

Should you lift lighter during the luteal phase?

This is not a fixed rule. Adjust when symptoms, fatigue or exercise performance provide a reason.

Do you build muscle faster around ovulation?

There is insufficient convincing evidence for this as a general training recommendation. You do not need to schedule your hardest workouts around predicted ovulation.

Can you keep doing full-body workouts throughout your cycle?

Yes. You can keep the same structure and adjust exercises, sets or loads when necessary.

Read more about full-body versus split training.

Can a cycle-tracking app help plan workouts?

An app can help you record bleeding and symptoms. Its predicted phase does not precisely determine which workout you can manage that day.

Should you push through severe period pain?

No. You do not need to tolerate severe pain to finish a session. Discuss severe or persistent menstrual pain with your GP.

At Aurora Personal Training in Eindhoven, we consider your goals, experience, schedule and recovery. Your cycle can provide relevant information, particularly when you experience recurring symptoms.

We use a clear programme and adjust it when needed. You do not have to start again every month or follow a compulsory four-phase training schedule.

Medical symptoms deserve assessment by a healthcare professional. Within training, we help you adapt exercises and demands practically.

Book a free intake at Aurora Personal Training to discuss how strength training can fit your week.

1. Colenso-Semple et al. (2023): review of menstrual cycle phase, strength performance and resistance-training adaptations.
2. Colenso-Semple et al. (2025): menstrual cycle phase and muscle protein synthesis following resistance exercise.
3. Thuisarts: anaemia.
4. Thuisarts: severe menstrual pain.
5. Thuisarts: heavy menstrual bleeding.
6. Thuisarts: periods stopping for several months.

The Thuisarts patient-information pages are in Dutch.