Las Palmas, March 31, 2026. - In recent years, healthcare professionals in Europe have been observing a trend that had previously been described in the United States. It is a progressive advance in the age of onset of puberty, especially in girls. Available studies estimate that, from the end of the 1970s until 2013, puberty has advanced approximately three months for each decade, which confirms that this is a gradual and sustained process over time.