--- title: Pain during follicular phase: why it happens and what helps description: Pain during follicular phase is common and usually tied to leftover period cramps, higher cortisol, or ovulation. Here's why it happens and what helps. url: https://niyora.com/cycle/follicular-phase-aches-and-pains/ --- - [Niyora](https://niyora.com/) - [Your cycle](https://niyora.com/cycle/) - Pain during the follicular phase: why it happens Follicular phase # Pain during the follicular phase: why it happens Pain during the follicular phase is usually leftover period cramping in the first few days, a cortisol-driven ache, or a brief twinge around ovulation near the end. PMS and PMDD happen in the days or weeks before your period, not during or after it, so this isn't either one. Most follicular-phase aches ease within a few days and respond to heat, movement and basic pain relief. Updated 14 October 2026 Niyora editorial Limited evidence Follicular phase Days 1 to 13 Where this sits in your cycle - Period - Building - Ovulation - Luteal - PMS window ## At a glance - The follicular phase starts with your period, so early cramps are usually the tail end of menstrual pain, not a new problem. - Cortisol runs higher in the follicular phase than in the luteal phase, which can show up as tension or headaches. - A brief, one-sided pelvic twinge near ovulation, at the end of the follicular phase, is common and usually short-lived. - This isn't PMS: PMS and PMDD symptoms happen in the luteal phase, the one to two weeks before a period. - Heat, movement, slow breathing, and tracking the pattern over two or three cycles help you tell normal aches from something to bring to a doctor. ## Strength of evidence Limited evidence - None - Limited - Mixed - Moderate - Strong The cortisol meta-analysis (778 women) is solid evidence that cortisol differs by cycle phase. Most pain-relief studies cited here looked at period pain or PMS generally rather than the follicular phase specifically, and several are small, single trials that need replication. Side by side PMS (luteal phase) and Follicular phase pain When it happens PMS (luteal phase) 1 to 2 weeks before your period Follicular phase pain During or right after your period, or near ovulation Also compared in the table below - What causes it - How long it lasts - Mood symptoms | Compared on | PMS (luteal phase) | Follicular phase pain | | --- | --- | --- | | When it happens | 1 to 2 weeks before your period | During or right after your period, or near ovulation | | What causes it | Falling estrogen and progesterone | Rising estrogen, higher cortisol, or ovulation | | How long it lasts | Until a few days into your period | A few days at the start, or hours to 2 days at ovulation | | Mood symptoms | Common (irritability, low mood, anxiety) | Uncommon; mood often improves | ## Why do you ache in the follicular phase? The [follicular phase](https://niyora.com/cycle/follicular-phase/) starts on day one of your period and runs until you ovulate, so it opens with the same bleeding and cramping that caused your period pain in the first place. As [estrogen rises through this window](https://niyora.com/cycle/follicular-phase-hormones/), those early cramps usually ease within a few days. Cortisol, a stress hormone, also runs higher during the follicular phase than in the two weeks before your period. A meta-analysis of 778 women found follicular-phase cortisol levels were higher than luteal-phase levels, though the difference was small (Hedges' g 0.13) [1]. Higher cortisol can show up as tension headaches or a general ache, even without anything stressful going on. Near the end of the follicular phase, as an egg matures and is released, some people feel a one-sided cramp low in the pelvis. This is **ovulation pain**, sometimes called mittelschmerz, and it usually lasts a few hours to a couple of days. So aches in this phase can come from three different places: leftover period cramps, a cortisol-driven ache, or ovulation itself. ## Is aches and pains in the follicular phase normal? Yes. Mild aches in the first days of this phase, and a short twinge around ovulation, are both common and not usually something to worry about. What's typical in the follicular phase, covered in more detail in [follicular phase symptoms](https://niyora.com/cycle/follicular-phase-symptoms/): - Cramping that fades within three to five days of your period starting - Breast tenderness easing as estrogen climbs - A headache or two as cortisol and estrogen shift - A brief, one-sided pelvic ache around ovulation Some health conditions change how this phase feels. In a study of 176 women, those with fibromyalgia or chronic fatigue syndrome had lower average cortisol than healthy women; this held even for fibromyalgia patients with higher depression scores, and for all CFS patients regardless of depression [4]. This study only compared the follicular phase across groups, not phases within the same person, so it doesn't tell us whether cortisol affects how pain or fatigue feels at different points in the cycle. If you already live with a chronic pain condition, it's worth noticing whether your follicular-phase days feel different from your luteal-phase days. That's useful information for a doctor, not something you need to solve alone. Right now What to do right now for a follicular-phase ache - 1 Put a heating pad or warm water bottle on your lower belly or back for 15 to 20 minutes. - 2 Breathe out for six counts, in for four, for two minutes to ease tension. - 3 Take a short walk or stretch gently; movement often eases cramping faster than resting still. - 4 Note where it hurts and how strong it feels, from 1 to 10, so you can spot the pattern next cycle. - 5 If the pain is sharp and one-sided and doesn't ease within a day, call your doctor's office that day. Niyora walks you through this when it happens: - Calm down - - See it another way - - Choose what to say ## When in the follicular phase is it worst? Pain in the follicular phase tends to cluster at the two ends of it rather than the middle. | Days in the follicular phase | What's happening hormonally | What you might feel | | --- | --- | --- | | Days 1 to 3 (your period) | Estrogen and progesterone are at their lowest, uterine lining sheds | Cramps, lower back ache, fatigue | | Days 4 to 10 | Estrogen begins climbing steadily | Fewer aches, more energy, mood often lifts | | Final 1 to 2 days before ovulation | Estrogen peaks, LH surges, follicle ruptures | A brief one-sided pelvic twinge | The middle stretch is usually the calmest part of the whole cycle for most people, which is part of why ovulation pain or lingering period cramps can feel surprising when they show up. A cycle phase calculator can give you a rough sense of where you are right now, though your own pattern over two or three cycles will tell you more. ## Is it PMS or something else? Pain in the follicular phase **isn't PMS**. PMS describes symptoms in the one to two weeks before a period, the [luteal phase](https://niyora.com/luteal-phase/), and PMDD describes symptoms in the final week before a period. Both ease once bleeding starts. If you're aching after your period has already started, you're past that window. Progesterone and its byproduct allopregnanolone rise through the luteal phase and fall sharply in the days right before a period, a shift linked to PMDD symptoms [5]. That rise and fall happens in the luteal phase, not here. So an ache that starts with your period and fades in a few days is more likely leftover menstrual cramping, early-phase cortisol change, or ovulation pain than anything premenstrual. Primary dysmenorrhea (period cramps with no other cause), endometriosis, and some chronic pain conditions can all show up or worsen in this window too. The difference usually comes down to pattern. Pain that eases within a few days is less concerning than pain that drags on, gets worse over cycles, or comes with pain during sex or bowel movements. Those signs are worth bringing to a doctor rather than tracking alone indefinitely. ## What helps right now? For period cramps or ovulation pain, a few simple things help most people within the hour: - A heating pad or warm bath on your lower belly or back - An NSAID such as ibuprofen, taken as directed on the label, since it works on the prostaglandins that cause cramping - A short walk or gentle stretching, which can ease pain faster than lying still - Slow breathing: breathe out for six counts, in for four. A narrative review found this kind of breathing can reduce both pain and irritability tied to premenstrual and period symptoms [6] A few other options have some evidence behind them, mostly studied in period pain rather than the follicular phase specifically: | Option | What it does | Evidence strength | | --- | --- | --- | | Vitamin D and E supplement | Reduced period pain scores from 7.85 to 3.75 out of 10 in a trial of 106 women | Moderate, one RCT [3] | | Chamomile and L-theanine drink | Cut period pain intensity by over half in a small trial | Limited, one small RCT [8] | | Pilates plus pelvic floor exercises | Improved pain, sleep and quality of life over 8 weeks | Limited, one small RCT [7] | One large trial found a combined hormonal contraceptive lowered period-related pain scores, but starting or switching one is a decision for you and your doctor [2]. ## How do you track it across cycles? A single painful cycle doesn't tell you much. **The pattern across two or three cycles does.** Worth noting each day: - Where the ache is (belly, back, one side, head) - How strong it is, on a 1 to 10 scale - What cycle day you're on - Whether it eases within a few days or drags on After two or three months, you'll start to see whether your aches cluster at the start of the follicular phase, near ovulation, or somewhere else, and whether they're getting better, worse or staying the same. Pairing that with [how your mood shifts in this phase](https://niyora.com/cycle/follicular-phase-mood/) gives a fuller picture of the whole window. Niyora is a PMS and PMDD support app. If you want a simple way to see roughly where you are in your cycle without doing the math yourself, its estimated PMS window can show that alongside how you're feeling that day, so you can tell a follicular-phase ache from something closer to your period. If the pain is sharp, one-sided, and lasts more than a day or two, or it doesn't ease with your usual pain relief, call your doctor's office that day and mention it. When to see a doctor If pain is sharp, one-sided, and lasts more than a day or two, or doesn't ease with your usual pain relief, call your doctor's office that day. From the research library ## Research on pain 643 studies in the library look at pain in PMS and PMDD. They were published from 1891 to 2026, and each one has a short summary of what was tested and found. 643 studies, 1891 to 2026 How strong the studies are Strong study design 35 Moderate study design 222 Early or limited evidence 386 - [Randomised trial, 2026Does Kundalini Reiki help reduce PMS symptoms and improve quality of life?Yes, according to this rigorous double-blind study. Nursing students receiving Kundalini Reiki showed significantly greater improvements in PMS symptoms and quality of life compared to those who received placebo.Strong study design](https://niyora.com/research/papers/effect-of-kundalini-reiki-on-premenstrual-syndrome-symptoms-and-quality-of-life-2026/) - [Randomised trial, 2026Does a warm footbath help PMS symptoms and sleep quality?A nightly warm footbath during the premenstrual phase reduced PMS symptoms and improved quality of life in women with PMS. It did not improve sleep quality.Strong study design](https://niyora.com/research/papers/the-effect-of-footbath-on-premenstrual-syndrome-sleep-quality-and-quality-of-2026/) - [Randomised trial, 2026Does yoga reduce PMS symptoms?Yes, yoga significantly reduced PMS severity, pain, and improved blood markers while the control group showed no changes.Strong study design](https://niyora.com/research/papers/yoga-reduces-premenstrual-syndrome-symptoms-and-modulates-hormonal-and-2026/) - [Randomised trial, 2025Do vitamin D and E supplements reduce menstrual pain and PMS symptoms?Yes, vitamin D and E supplements significantly reduced menstrual pain and PMS symptoms over 4 months, especially in women with low vitamin D levels.Strong study design](https://niyora.com/research/papers/effect-of-vitamin-d-and-e-supplementation-on-pain-relief-and-premenstrual-2025/) - [Systematic review, 2025Does digital healthcare help manage period pain and PMS?Yes, digital apps and websites effectively reduced period pain and improved symptom management for PMS, according to a review of 8 studies.Strong study design](https://niyora.com/research/papers/effectiveness-of-digital-healthcare-in-managing-menstrual-symptoms-a-systematic-2025/) - [Cohort study, 2025Do women with PMS or PMDD report lower quality of life than women without these conditions?Yes. Women with PMS or PMDD reported significantly lower quality of life, particularly those with PMDD. These findings held even after accounting for mood and pain.Strong study design](https://niyora.com/research/papers/premenstrual-disorders-and-quality-of-life-in-sweden-2025/) [See all 643 studies on pain and headache](https://niyora.com/research/topics/symptom-pain/) ## Questions people ask Why do I get cramps after my period already started? + Follicular-phase cramps right after a period starts are usually the tail end of the same uterine contractions that caused your period pain, easing as estrogen rises. They typically fade within three to five days. If cramping continues past that, or keeps getting worse over several cycles, mention it to a doctor. Is a one-sided ache in the follicular phase normal? + A brief one-sided ache in the follicular phase often happens around ovulation, when a follicle releases an egg. This ovulation pain, sometimes called mittelschmerz, usually lasts a few hours to two days. Pain that's severe, doesn't ease, or comes with fever or heavy bleeding needs medical attention. Can follicular phase pain be a sign of PMDD? + No. PMDD symptoms, including mood changes, happen in the final week before a period and ease within a few days of it starting. Pain during the follicular phase, which follows your period, falls outside that window and isn't counted as PMDD. Does the follicular phase cause headaches? + Follicular-phase headaches can happen as cortisol runs higher than in the luteal phase and estrogen climbs quickly. A meta-analysis of 778 women found higher follicular-phase cortisol levels than luteal-phase levels [1]. Higher cortisol is linked to tension headaches generally, though this specific link hasn't been tested across the cycle. What helps follicular phase aches right now? + Heat on your lower belly or back, an NSAID taken as directed, gentle movement, and slow breathing (six counts out, four in) can ease aches within the hour. Noting where it hurts and how strong it feels helps you spot your own pattern over a few cycles. ## Sources - 1. [Higher Circulating Cortisol in the Follicular vs. Luteal Phase of the Menstrual Cycle: A Meta-Analysis](https://doi.org/10.3389/fendo.2020.00311), Frontiers in endocrinology, 2020 - 2. [Effects of E4/DRSP on self-reported physical and emotional premenstrual and menstrual symptoms: data from the phase 3 clinical trial in Europe and Russia](https://doi.org/10.1080/13625187.2024.2359117), The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception, 2024 - 3. [Effect of vitamin D and E supplementation on pain relief and premenstrual symptoms in primary dysmenorrhea: a randomized controlled trial](https://doi.org/10.1186/s12905-025-04007-4), BMC women's health, 2025 - 4. [Cortisol and hypothalamic-pituitary-gonadal axis hormones in follicular-phase women with fibromyalgia and chronic fatigue syndrome and effect of depressive symptoms on these hormones](https://doi.org/10.1186/ar1163), Arthritis research & therapy, 2004 - 5. [5α-Reductase Inhibition Prevents the Luteal Phase Increase in Plasma Allopregnanolone Levels and Mitigates Symptoms in Women with Premenstrual Dysphoric Disorder](https://doi.org/10.1038/npp.2015.246), Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2016 - 6. [Deep Breathing Exercises In Reducing Pain And Psychological Symptoms Of Premenstrual Syndrome: A Narrative Review](https://doi.org/10.4238/qrt0aw67), Genetics and Molecular Research, 2026 - 7. [The Effects of Pelvic Floor Exercises Applied in Addition to Pilates on Premenstrual Symptoms, Pain, Sleep, and Quality of Life in Individuals with Premenstrual Syndrome (PMS)](https://doi.org/10.37990/medr.1818745), Medical Records, 2026 - 8. [Effects of chamomile and -theanine beverage on menstrual pain, menstrual symptoms, mood, and sleep quality in young women experiencing primary dysmenorrhea: A randomized, double-blind, placebo-controlled study](https://doi.org/10.38212/2224-6614.3565), Journal of food and drug analysis, 2025 Ask AI about this page Copy prompt ChatGPT ↗ Claude ↗ Perplexity ↗ Google AI Mode ↗ Grok ↗ On this page - [Why do you ache in the follicular phase?](#why-do-you-ache-in-the-follicular-phase) - [Is aches and pains in the follicular phase normal?](#is-aches-and-pains-in-the-follicular-phase-normal) - [When in the follicular phase is it worst?](#when-in-the-follicular-phase-is-it-worst) - [Is it PMS or something else?](#is-it-pms-or-something-else) - [What helps right now?](#what-helps-right-now) - [How do you track it across cycles?](#how-do-you-track-it-across-cycles) - [Research](#research) - [Questions](#faq) Niyora PMS & PMDD support For the hard moment before your period. Private, no account. [Get it on iPhone](https://apps.apple.com/app/niyora-pms-emotions/id6764561688) ## Keep reading Condition The luteal phase: what's happening in your body and mood Cycle guide The 4 phases of the menstrual cycle Cycle guide The follicular phase: what happens and how it feels Cycle guide Follicular phase symptoms: what to expect Cycle guide Mood in the follicular phase: why it happens Cycle guide Follicular phase hormone levels and what they mean Cycle guide How your menstrual cycle affects your mood