For many women, the week before their period can feel noticeably different from the rest of the month.
You may feel more tired, experience stronger food cravings, notice changes in your mood or find that your clothes feel tighter because of bloating. Your sleep may also feel less restful, and emotions that usually feel manageable may seem closer to the surface.
These changes often happen during the luteal phase of the menstrual cycle.
The luteal phase is the stage between ovulation and the beginning of your period. It plays an important role in reproductive health and is also the phase when many people experience symptoms of premenstrual syndrome, commonly known as PMS.
Understanding what happens during the luteal phase can help you recognise patterns in your cycle and support your body with more awareness.
What is the luteal phase?
The luteal phase begins after ovulation and ends when your period starts. It is the second half of the menstrual cycle and typically lasts around 12–14 days, although cycle length can vary from person to person.
After ovulation, the follicle that released an egg changes into a temporary structure called the corpus luteum. The corpus luteum produces progesterone, as well as some oestrogen.
Progesterone helps prepare the lining of the uterus for a possible pregnancy. If pregnancy does not occur, progesterone and oestrogen levels fall towards the end of the luteal phase.
This hormonal change causes the uterine lining to shed, which marks the beginning of your period and a new menstrual cycle.
Where does the luteal phase fit into the menstrual cycle?
The menstrual cycle is commonly divided into four phases:
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Menstruation: Your period, when the uterine lining is shed.
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The follicular phase: The body prepares an egg for ovulation.
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Ovulation: An egg is released from an ovary.
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The luteal phase: The body prepares for a possible pregnancy after ovulation.
The luteal phase is sometimes described as the “week before your period”, but it can actually last for around two weeks. The exact timing depends on when ovulation occurs and the length of your individual cycle.
What happens to your hormones during the luteal phase?
After ovulation, progesterone rises to support the uterine lining. Oestrogen may also remain present before both hormones begin to decline if pregnancy does not occur.
These hormonal fluctuations can affect more than the reproductive system. They may influence appetite, energy, sleep, mood, concentration and the way your body manages fluid.
Not everyone notices these changes, and symptoms can vary from cycle to cycle. However, common luteal phase symptoms include:
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Feeling more tired than usual.
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Increased appetite or food cravings.
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Bloating or temporary water retention.
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Breast tenderness.
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Mood changes or increased emotional sensitivity.
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Difficulty concentrating or “brain fog”.
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Changes in sleep quality.
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Headaches.
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Skin changes or breakouts.
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Feeling less motivated or socially energised.
PMS symptoms are generally symptoms that occur regularly during the luteal phase and improve shortly after menstruation begins.
Why do cravings increase before your period?
Food cravings are one of the most commonly reported luteal phase symptoms. You may suddenly want chocolate, sweet foods, crisps, bread or other carbohydrate-rich meals.
There is no single explanation for cravings. Hormonal changes may influence appetite, while the body may also use slightly more energy during the second half of the menstrual cycle. Fatigue, stress and changes in mood can make quick or comforting foods feel especially appealing.
Cravings are a normal experience for many people and are not a sign that you have done anything wrong.
Rather than trying to eliminate cravings completely, it may help to:
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Eat regular meals and snacks.
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Include protein, fibre and healthy fats in your meals.
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Keep satisfying foods available at home.
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Stay hydrated throughout the day.
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Avoid overly restrictive dieting.
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Give yourself permission to enjoy the foods you are craving.
A balanced approach is usually more sustainable than trying to follow a perfect diet during every phase of your cycle.
Why do you feel more tired during the luteal phase?
Feeling more tired before your period is common. Progesterone may have a calming effect, while hormonal changes can also influence sleep quality.
This means you may spend enough time in bed but still wake up feeling less refreshed.
PMS symptoms such as bloating, headaches, breast tenderness and cramps can also make your usual routine feel more demanding.
You may find it helpful to:
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Keep your sleep and wake times consistent.
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Reduce unnecessary demands where possible.
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Choose gentler forms of movement if your energy is lower.
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Eat regularly rather than skipping meals.
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Make time for rest without treating it as unproductive.
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Track your energy levels across several cycles.
Your energy may naturally fluctuate throughout the month. Recognising this pattern can help you plan realistically rather than assuming every day should feel the same.
Why do you feel bloated before your period?
Bloating is another common symptom during the luteal phase. Hormonal fluctuations can affect fluid regulation and digestion, which may make your abdomen feel fuller or your clothes feel tighter temporarily.
Luteal phase bloating often improves once menstruation begins, although the experience differs from person to person.
To support your comfort, you could try:
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Drinking water regularly.
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Eating meals at consistent times.
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Continuing gentle movement, such as walking or stretching.
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Eating slowly and mindfully.
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Choosing foods that you find easy to digest.
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Limiting foods that you already know aggravate your symptoms.
You do not need to “fix” your body for changing during the luteal phase. Temporary bloating is often one of the ways your body responds to normal hormonal changes.
How can you support yourself during the luteal phase?
The luteal phase is a normal part of the menstrual cycle, not something that needs to be corrected. However, small adjustments may help you feel more comfortable and supported.
Prioritise sleep
Aim for a consistent sleep routine and give yourself permission to rest more if your energy is lower.
Eat regular, balanced meals
Meals containing protein, fibre, carbohydrates and healthy fats can help support steady energy and fullness.
Stay hydrated
Drinking enough water may help you feel more comfortable if you experience bloating or headaches.
Choose movement that feels appropriate
Gentle walking, stretching, yoga or lower-intensity exercise may feel more suitable if your energy or comfort levels change.
Track your symptoms
Recording your symptoms, energy, mood, sleep and cycle dates for at least two or three cycles can help you identify patterns.
A symptom diary may also make it easier to explain your experience to a healthcare professional.
Support your nutritional needs
A varied, balanced diet is the best foundation for overall wellbeing.
Supplements may be appropriate for some people, but they should complement - not replace - a balanced diet. If you are pregnant, breastfeeding, taking medication or managing a health condition, speak with a healthcare professional before taking a new supplement.
Is the luteal phase the same as PMS?
No. The luteal phase is a normal stage of the menstrual cycle. PMS is a collection of physical, emotional and behavioural symptoms that occur during the luteal phase and affect some people more significantly than others.
You can be in the luteal phase without experiencing noticeable PMS symptoms.
Mild symptoms may be manageable with lifestyle support, but severe or disruptive symptoms should not simply be dismissed as something you have to live with.
When should you seek medical support?
Speak with a GP or other qualified healthcare professional if your symptoms regularly interfere with your:
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Work or studies.
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Relationships.
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Sleep.
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Mental health.
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Ability to exercise or complete everyday tasks.
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General quality of life.
Severe mood symptoms, significant anxiety, depression, intense irritability or symptoms that follow a predictable pattern before your period may require further assessment.
A healthcare professional can help determine whether PMS, PMDD or another condition may be contributing to what you are experiencing.
Seek urgent support if you are experiencing thoughts of harming yourself or feel unable to stay safe.
Frequently asked questions
How long does the luteal phase last?
The luteal phase usually lasts around 12–14 days, although it varies between individuals. The phase begins after ovulation and ends when your period starts.
What are the most common luteal phase symptoms?
Common symptoms include tiredness, food cravings, bloating, breast tenderness, headaches, mood changes, difficulty concentrating and changes in sleep.
Why do I feel more emotional before my period?
Hormonal fluctuations during the luteal phase may influence mood and emotional sensitivity. Stress, poor sleep and physical PMS symptoms can also affect how you feel.
Is it normal to feel hungry during the luteal phase?
Yes. Increased appetite and cravings are common experiences before a period. Eating regular, balanced meals and allowing flexibility around cravings may be more helpful than restrictive dieting.
Can you get pregnant during the luteal phase?
Pregnancy is generally most likely around ovulation. However, cycle timing can vary, and ovulation is not always easy to predict.
If you are trying to avoid pregnancy, use reliable contraception and speak with a healthcare professional if you have questions about your individual circumstances.
How do I know when my luteal phase begins?
The luteal phase begins after ovulation. Some people estimate ovulation using cycle tracking, changes in cervical mucus, ovulation tests or basal body temperature.
Apps can help identify patterns, but they cannot always accurately confirm ovulation.
Is it normal to feel tired one week before my period?
Yes. Fatigue is a common PMS symptom, although persistent or severe tiredness can have other causes.
Speak with a healthcare professional if fatigue is new, extreme or affecting your daily life.
Understanding your cycle
The luteal phase is a natural part of the menstrual cycle, but it can feel very different from the weeks before it.
Hormonal changes may influence your energy, appetite, mood, sleep, digestion and overall wellbeing. Once you begin recognising these patterns, it can become easier to work with your body rather than feeling frustrated by changes that happen every month.
Your needs may not be exactly the same throughout your cycle—and that is completely normal.
At Gigi Supplements, we believe understanding your cycle is an important part of understanding your wellbeing.
If you experience PMS symptoms each month, explore Gigi’s cycle-support range and find a routine that works for you.
Medical disclaimer
This article is for informational purposes only and is not intended to provide medical advice, diagnosis or treatment. If you have concerns about your menstrual cycle, PMS symptoms or general health, speak with a qualified healthcare professional. If you are pregnant, breastfeeding, taking medication or managing a health condition, consult a healthcare professional before taking a new supplement.
