--- title: What are premenstrual syndrome and premenstrual dysphoric disorder? description: Between 5% and 8% of women have moderate-to-severe symptoms that cause significant problems with work, relationships, and daily life. These are called PMS or url: https://niyora.com/research/papers/premenstrual-disorders-2026/ --- - [Niyora](https://niyora.com/) - [Research](https://niyora.com/research/) - [Library](https://niyora.com/research/library/) - What are premenstrual syndrome and premenstrual dysphoric disorder? Study, 2026 # What are premenstrual syndrome and premenstrual dysphoric disorder? Between 5% and 8% of women have moderate-to-severe symptoms that cause significant problems with work, relationships, and daily life. These are called PMS or PMDD. PMDD is the most severe form. Moderate study design Women of reproductive age in general ## What they did This describes what we know about premenstrual disorders, their symptoms, and how they are diagnosed. ## What they found Most women experience mild premenstrual discomfort. Symptoms start 1 to 2 weeks before menstruation. Between 5% and 8% of women develop moderate-to-severe symptoms with significant disruption to daily life, work, and relationships. Women with PMS or PMDD have greater loss in quality of life and work productivity than women with mild or no symptoms. ## What it means for you If you have moderate-to-severe premenstrual symptoms affecting your life, you are in a smaller group of women, but your experience is real and treatable. The main difference between PMS and PMDD is how severe the symptoms are. PMDD is recognized as a psychiatric diagnosis because of its severity. 5% to 8% women with moderate-to-severe symptoms 1 to 2 weeks before menstruation symptoms typically start ## About the study Original title Premenstrual Disorders Authors Miller C, Carlson K Journal StatPearls Publishing, Treasure Island (FL) Year 2026 Study design Study What was tested Informational overview describing the conditions Open access Yes Read the paper [https://pubmed.ncbi.nlm.nih.gov/30335340/](https://pubmed.ncbi.nlm.nih.gov/30335340/) ## Topics [Premenstrual syndrome (PMS)](https://niyora.com/research/topics/condition-pms/)[Premenstrual dysphoric disorder (PMDD)](https://niyora.com/research/topics/condition-pmdd/)[Menstrual cycle and mood](https://niyora.com/research/topics/condition-cycle-mood/)[Low mood and depression](https://niyora.com/research/topics/symptom-depression-mood/)[Anxiety and tension](https://niyora.com/research/topics/symptom-anxiety/)[Irritability and anger](https://niyora.com/research/topics/symptom-irritability-anger/)[Appetite and food cravings](https://niyora.com/research/topics/symptom-food-cravings/)[Bloating, breast tenderness and physical symptoms](https://niyora.com/research/topics/symptom-physical-symptoms/)[Pain and headache](https://niyora.com/research/topics/symptom-pain/)[Borderline personality disorder](https://niyora.com/research/topics/comorbidity-bpd/)[Major depressive disorder](https://niyora.com/research/topics/comorbidity-major-depression/)[Anxiety disorders and OCD](https://niyora.com/research/topics/comorbidity-anxiety-disorders/)[Thyroid disorders](https://niyora.com/research/topics/comorbidity-thyroid/)[Work and productivity](https://niyora.com/research/topics/life-area-work/)[Relationships and partners](https://niyora.com/research/topics/life-area-relationships/)[Quality of life and daily functioning](https://niyora.com/research/topics/life-area-quality-of-life/)[Students and academic performance](https://niyora.com/research/topics/life-area-education/) Research tells you what helps on average. Niyora helps on the day it hits. Calm down, see it another way, and decide what to say, with a PMS and PMDD app built by a doctor. ## Related studies Survey study, 2020 How common are premenstrual symptoms in secondary school students? Randomised trial, 2021 Does hypnotherapy reduce pain and emotional distress in women with PMDD? Survey study, 2025 Can a plant-based supplement reduce PMS symptoms? Review, 2009 How common are PMS and PMDD, and how much do they disrupt women's lives? Survey study, 2002 How common is premenstrual dysphoric disorder among women in Morocco? Survey study, 2001 How common is premenstrual dysphoric disorder and how is it related to other psychiatric conditions? Ask AI about this page Copy prompt ChatGPT ↗ Claude ↗ Perplexity ↗ Google AI Mode ↗ Grok ↗