puberty

https://doi.org/10.1351/goldbook.11152

Process in which an individual undergoes sexual development, including the onset of gametogenesis, changes in hormonal secretions, secondary sexual characteristics, and reproductive competence.

Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 798 (https://doi.org/10.1515/pac-2015-1202)