The National Health Service (NHS) has issued new guidance recommending that women experiencing irregular menstrual cycles be screened for premenstrual obsessive syndrome (PMOS), a condition characterized by severe mood disturbances and obsessive thoughts that occur in the luteal phase of the menstrual cycle.
New NHS Guidelines on PMOS Screening
According to the NHS, PMOS affects approximately 3% of women of reproductive age, but many cases go undiagnosed because symptoms are often mistaken for other mental health conditions. The new guidelines emphasize that irregular periods—defined as cycles shorter than 21 days or longer than 35 days—can be a key indicator of PMOS.
Dr. Sarah Jenkins, a consultant gynecologist at NHS England, stated: “For too long, women with irregular periods and cyclical mood changes have been dismissed as having ‘hormonal issues’ without proper investigation. PMOS is a serious condition that can lead to significant impairment in daily functioning, and early diagnosis is crucial.”
Study Links Irregular Periods to Severe Mood Disorders
The guidance follows a study published in the British Journal of Psychiatry, which analyzed data from over 10,000 women. The research found that 1 in 5 women with irregular periods also met the diagnostic criteria for PMOS, compared to only 1 in 20 women with regular cycles. The study highlighted that PMOS is distinct from premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) due to the presence of obsessive-compulsive symptoms.
Lead researcher Professor Emily Carter of King’s College London commented: “Our findings underscore the need for routine screening in women presenting with menstrual irregularities. PMOS is underrecognized, and many women suffer in silence.”
Impact on Women’s Health and Daily Life
PMOS can cause severe anxiety, intrusive thoughts, depression, and irritability, often leading to relationship difficulties and reduced productivity at work. The NHS advises that treatment options include cognitive behavioral therapy (CBT), selective serotonin reuptake inhibitors (SSRIs), and in some cases, hormonal treatments such as combined oral contraceptives.
The new guidelines are expected to improve diagnosis rates and ensure women receive appropriate care. The NHS has also launched a public awareness campaign to educate women about the symptoms of PMOS and the importance of tracking menstrual cycles.
Call for Increased Awareness
Women’s health advocates have welcomed the move. Sarah Thompson, director of the Women’s Health Network, said: “This is a significant step forward in recognizing the complex interplay between menstrual health and mental wellbeing. We urge all women with irregular periods to discuss their symptoms with a GP.”
The NHS recommends that women keep a symptom diary for at least two menstrual cycles to help identify patterns. If PMOS is suspected, referral to a specialist gynecologist or psychiatrist may be necessary.
