Menstrual Cycle and Hormones: The Science Behind What Women Go Through

For something that affects half the population monthly, the menstrual cycle and hormones behind it remain widely misunderstood, even by the women experiencing it. 

Understanding the basics isn't just useful for women; it's essential knowledge for men too.

What the Menstrual Cycle Actually Is

The menstrual cycle isn't just "the period." 

It's a roughly month-long process involving four phases: menstrual, follicular, ovulation, and luteal. 

Throughout the cycle, hormones work together, with estrogen and progesterone rising and falling to prepare the body for potential pregnancy each month.

How Hormones Drive the Cycle

• Estrogen rises in the first half of the cycle, boosting energy and mood.

• Progesterone increases after ovulation, often bringing fatigue or heaviness.

• A sharp drop in both hormones right before menstruation triggers period symptoms like cramps, bloating, and fatigue.

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This hormonal rise and fall is the core reason menstrual cycle and hormones are so closely tied to physical and emotional changes throughout the month.

Mood Swings Are Real, Not Attention-Seeking

One of the most dismissed aspects of the menstrual cycle and hormones is emotional change. 

Hormonal changes directly affect serotonin and dopamine, brain chemicals responsible for mood regulation. 

This means increased irritability, sadness, or anxiety before a period isn't an exaggeration or manipulation; it's a documented physiological response. 

Men in particular should understand this isn't "being dramatic"; it's biology.

What to Do During Your Cycle

• Track your cycle to anticipate energy shifts and symptoms.

• Stay hydrated to ease bloating and cramps.

• Prioritise rest during the luteal phase, when fatigue is common.

• Eat balanced meals to stabilise blood sugar and mood.

• Move your body gently. Light exercise can ease cramps and improve mood.

  
  

What to Avoid

• Avoid excess caffeine and alcohol, which can worsen period symptoms.

• Don't ignore severe pain. It could indicate conditions like endometriosis.

• Avoid dismissing mood changes as "not real" or something to push through silently.

• Don't skip meals, which can intensify fatigue and irritability.

  
  

Why Men Should Understand This

Educating men on menstrual cycle and hormones isn't optional. 

It directly affects how they support partners, colleagues, and friends. 

Recognising that hormonal changes cause real physical and emotional symptoms leads to more empathy and less dismissiveness, at home and in the workplace.

When to See a Doctor

Severe pain, extremely heavy bleeding, or symptoms that disrupt daily life aren't "normal period problems." 

They're signs worth discussing with a gynaecologist rather than pushing through alone.

Conclusion

Understanding menstrual cycle and hormones benefits everyone, not just those who menstruate.

The more this is normalised and understood, the less silence and shame surrounds a completely natural bodily process.

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Want to understand your body better? 

Learn more about menstrual cycle and hormones at PMS Log.