Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/1/2025

PCOS Clinical Presentation and Management

Introduction to PCOS

  • Women with PCOS typically present with menstrual irregularities, signs of hyperandrogenism, and metabolic disturbances including insulin resistance and obesity, according to the American College of Physicians 1

Clinical Presentation

  • Hirsutism affects the majority of patients as a result of elevated androgen levels, as noted by the American College of Physicians 1
  • Acanthosis nigricans appears as darkened, velvety skin patches, indicating underlying insulin resistance, as reported by the American College of Physicians 1
  • Insulin resistance occurs in a significant proportion of patients, increasing diabetes risk, according to the American College of Physicians 1

Treatment Algorithm

  • Combination oral contraceptive pills are the first-line therapy for regulating menstrual cycles, providing endometrial protection, and suppressing androgen secretion, as recommended by the American College of Physicians 1
  • Weight loss of as little as 5% of initial body weight improves metabolic and reproductive abnormalities, ovulation rates, and pregnancy outcomes, as stated by the American Academy of Family Physicians 2
  • Oral contraceptive pills regulate cycles and reduce androgen levels, though they may increase triglycerides and HDL cholesterol, according to the American Academy of Family Physicians 2
  • Metformin improves insulin sensitivity and glucose tolerance over time, though it lacks FDA approval specifically for PCOS, as noted by the American Academy of Family Physicians 2 and the American College of Physicians 1

Fertility Treatment

  • Clomiphene citrate induces ovulation in approximately 80% of women, with 50% achieving pregnancy, as reported by the American Academy of Family Physicians 2 and the American College of Physicians 1
  • Low-dose gonadotropins should be used if clomiphene fails, to minimize ovarian hyperstimulation risk, according to the American Academy of Family Physicians 2 and 3

Metabolic Screening and Prevention

  • All women with PCOS require screening for type 2 diabetes using fasting glucose and 2-hour oral glucose tolerance test, plus fasting lipid profiles to assess cardiovascular risk, as recommended by the American College of Physicians 1
  • Thyroid-stimulating hormone and prolactin levels should be checked to exclude other causes of hyperandrogenism, according to the American College of Physicians 1
  • Total testosterone or free/bioavailable testosterone should be assessed to evaluate androgen excess severity, as noted by the American College of Physicians 1
  • Regular blood pressure monitoring is necessary due to increased cardiovascular disease risk, as stated by the American College of Physicians 1
  • Cardiovascular disease risk factors accumulate, though oral contraceptive use does not appear to increase cardiovascular events compared to the general population, according to the American Academy of Family Physicians 2