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Related Experiment Video

Updated: Jun 5, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

Y Lambert, L Paré

    Canadian Family Physician Medecin De Famille Canadien
    |January 15, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Biological age, measured by puberty onset, shows a weak but significant link to the age of first sexual intercourse in females. This biological marker may help predict sexual activity onset in adolescents.

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    Area of Science:

    • Reproductive Health
    • Adolescent Development
    • Biopsychology

    Context:

    • Previous research suggests a connection between biological maturation and sexual behavior.
    • Understanding the timing of sexual initiation is crucial for public health and clinical interventions.

    Purpose:

    • To investigate the relationship between biological age and the age of first sexual intercourse among adolescents.
    • To determine if biological age is a predictor of sexual debut.

    Summary:

    • A questionnaire assessed 450 secondary school students in Montreal. Biological age was determined by age at menarche (females) and first ejaculation (males).
    • Partial correlation controlling for chronological age revealed a significant, albeit weak, positive correlation for females (r = 0.24, p < 0.029).
    • The correlation for males was not statistically significant due to an insufficient sample size.

    Related Experiment Videos

    Last Updated: Jun 5, 2026

    High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
    12:33

    High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

    Published on: November 15, 2013

    Impact:

    • Biological age may serve as a clinical indicator for predicting the age of first sexual intercourse.
    • Findings could inform the development of broader models for understanding adolescent sexual activity onset.
    • Highlights potential differences in biological maturation's influence on sexual timing between sexes.