Reproductive endocrinology

Prevalence, Phenotypes, and Comorbidities of Polycystic Ovary Syndrome Among Indian Women

JAMA Netw OpenPublished Cross-sectional study

Authors' conclusion

In this cross-sectional study of reproductive-age women recruited across India, the prevalence of PCOS was high, with phenotype C being predominant. Most of these women had metabolic abnormalities. These findings are crucial for developing preventive and therapeutic strategies, potentially integrating PCOS management into national health programs.

Study context

Population
Indian women aged 18 to 40 years, recruited across 5 zones of the country, November 2018 to July 2022; mean (SD) age 29.5 (6.2) years9,824 recruited
Participants
8,993 women
Exposure
Screen positive vs Screen negative vs Already diagnosed PCOS
  • Screen positiven = 2,251
  • Screen negativen = 6,546reference
  • Already diagnosed PCOSn = 196
Outcome
Prevalence and phenotypes of PCOS among women of reproductive age and burden of comorbidities associated with PCOS
Methodological detailsnationwide, 5 zones of India, questionnaire screening
  • Nationwide
  • 5 zones of India
  • Questionnaire screening

Main finding

As reported in the abstract

National prevalence of PCOS
PCOS prevalence by NIH 1990 criteria
7.2% (95% CI 4.8%-10.8%)
PCOS prevalence by Rotterdam 2003 criteria
19.6% (95% CI 12.7%-29.2%)
PCOS prevalence by AE-PCOS criteria
13.6% (95% CI 8.4%-21.6%)
Phenotype C, most common
501 [40.8%]
Phenotype D
301 [24.6%]
Pre-PCOS subgroup (partial phenotype only)
492
Pre-PCOS: oligomenorrhea only
75
Pre-PCOS: hyperandrogenism only
257
Pre-PCOS: polycystic ovarian morphology only
160

Observational data: associations, not effects.

Further findings

Mean, years

OutcomeScreen positiveScreen negativeP value
AgeScreen positive vs Screen negative · lower with Screen positive28.1 (SD 6.4)29.7 (SD 6.1)P < 0.001
Age at menarcheScreen positive vs Screen negative · higher with Screen positive13.2 (SD 1.3)13.1 (SD 1.2)P < 0.001

Comorbidities among women with PCOS (n = 1224)

Obesity
529 (43.2%)
Dyslipidemia
1126 (91.9%)
NAFLD
403 (32.9%)
Metabolic syndrome
305 (24.9%)
Impaired glucose tolerance
111 (9.1%)
Diabetes
41 (3.3%)
Hypertension
101 (8.3%)

Comorbidities in pre-PCOS subgroup (n = 492)

Dyslipidemia
390 [79.3%]
Metabolic syndrome
78 [15.9%]
NAFLD
163 [33.1%]
Impaired glucose tolerance
62 [12.6%]
Diabetes
7 [1.4%]
Hypertension
26 [5.3%]

Original publication

Prevalence, Phenotypes, and Comorbidities of Polycystic Ovary Syndrome Among Indian Women. JAMA Netw Open. Published 1 October 2024. doi:10.1001/jamanetworkopen.2024.40583

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