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Semaglutide 2026-07-15 PubMed

Semaglutide normalizes menstrual cycles and ovulation in 95% of overweight PMOS patients

Evidence That Semaglutide Represents an Important Tool for Treatment of Irregular Menses and Chronic Anovulation in Women with Polyendocrine Metabolic Ovarian Syndrome.

Background

Polyendocrine Metabolic Ovarian Syndrome (PMOS), previously known as Polycystic Ovary Syndrome (PCOS), is a common endocrine disorder characterized by irregular menses and chronic anovulation, often linked to insulin resistance and obesity. Current treatments for menstrual irregularities typically mask symptoms, which recur upon cessation. Given that weight reduction frequently improves menstrual cycles in these patients, GLP-1 agonists like semaglutide, known for their efficacy in obesity, present a promising therapeutic avenue to address the underlying metabolic dysfunction.

Study Design

This 6-month prospective study enrolled 96 women diagnosed with PMOS and a BMI > 25 kg/m2. Participants received semaglutide via an individualized dose-escalation regimen. Researchers assessed key metabolic and reproductive parameters before and after treatment, including body weight, fasting glucose, insulin levels, insulin resistance (HOMA-IR), and ovulatory function. The study design was a single-arm intervention, with each patient serving as their own control for pre- vs. post-treatment comparisons.

Results

After six months of semaglutide treatment, participants experienced a significant mean body weight decrease of -11.3% ± 5% (p < 0.01). Prior to treatment, 83% of PMOS patients presented with oligomenorrhea and anovulatory cycles. Post-treatment, ovulatory cycles were observed in 52.5% of these previously anovulatory women. The most pronounced improvements were seen in overweight patients:

Almost 95% of overweight PMOS patients achieved menstrual cycle normalization and ovulation. Even in patients with mild obesity, results were favorable. For those with moderate or severe obesity, 25% still achieved menstrual ovulatory cycle normalization, demonstrating broad, albeit varied, efficacy across different obesity classes.

Key Findings

  • Mean body weight decreased by 11.3% (p < 0.01) after 6 months of semaglutide treatment.
  • 52.5% of previously anovulatory PMOS women achieved ovulatory cycles post-treatment.
  • 95% of overweight PMOS patients achieved menstrual cycle normalization and ovulation.
  • 25% of PMOS patients with moderate or severe obesity achieved menstrual ovulatory cycle normalization.

Why It Matters

This study suggests a significant shift in the management of PMOS, particularly for women with excess body weight. Semaglutide could become a first-line therapeutic option, addressing the metabolic roots of the syndrome rather than just its reproductive symptoms. This approach offers the potential for more sustained improvements in menstrual regularity and fertility compared to symptom-masking therapies. For individuals managing PMOS, incorporating a GLP-1 receptor agonist like semaglutide could be a crucial step before considering ovulation-inducing drugs, potentially improving long-term outcomes and quality of life by targeting obesity and insulin resistance directly.


semaglutide pmos pcos irregular-menses anovulation obesity
Source: pubmed:42452625 · Ingested 2026-07-15 · Digest: gemini-2.5-flash