PCOS Traits May Have Ancient Survival Roots

Did you know? The metabolic traits seen in polycystic ovary syndrome (PCOS) may have evolved as survival advantages in ancestral environments.

PCOS affects reproductive-aged women and is marked by hormonal imbalances, insulin resistance, and distinctive fat distribution patterns. Researchers propose that these characteristics might have helped ancient populations survive food scarcity, infectious diseases, and physically demanding conditions. The theory suggests PCOS-related traits like visceral fat storage and increased muscularity offered protection during starvation and illness. However, these adaptations come with reproductive trade-offs, as PCOS is linked to reduced ovulation. This evolutionary mismatch hypothesis is supported by studies comparing subsistence-level populations to modern Western societies, as well as research on prenatal testosterone exposure in animal models. Understanding PCOS through an evolutionary lens may help researchers develop more targeted approaches to managing this common condition.

Source: PMID 41175095 (Endocrinology, 2025)