hypogonadism

https://doi.org/10.1351/goldbook.10830

Inadequate functioning of the testes or ovaries as manifested by deficiencies in gametogenesis or in secretion of gonadal hormones.

Note: Primary hypogonadism refers to a defect that is inherent in the gonad while secondary hypogonadism refers to a defect lying outside the gonad, often an endocrine effect.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 766 [Terms] [Paper]