Ovary articles from across Nature Portfolio

Phenotypic diversity of theca cells in growing follicles of the human ovary is described, with a differentiation trajectory proposed that initiates after follicle activation and results in multiple theca-cell subpopulations in antral follicles.

Polycystic ovary syndrome (PCOS) is a common disorder of unclear aetiology. Although genetic factors contribute to PCOS, they only partially account for its heritability. Here, Stener-Victorin and Deng discuss the evidence that altered epigenetic and developmental programming influence the pathogenesis and familial transmission of PCOS.

This paper identifies a non-retroviral endogenous viral element in mosquitoes that has antiviral functions.