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In hominin species that evolved bipedalism and lost visible estrus, the concealment of female ovulation disrupted traditional male-based reproductive control and introduced new challenges in mate selection, fidelity, and paternal investment. This paper proposes that menopause—unique among primates and widespread in human populations—may have evolved not only for caregiving purposes, but as a strategic adaptation enabling elder females to oversee the sexual and reproductive behavior of younger women. By exiting the reproductive cycle, post-menopausal women escaped sexual competition and acquired a position of symbolic authority, particularly as mothers-in-law. We suggest that these post-reproductive individuals played a central role in regulating female fidelity and ensuring lineage continuity through social surveillance. This Post-Reproductive Surveillance Hypothesis reframes menopause as a form of female-driven reproductive governance that emerged in response to the socio-sexual ambiguity caused by concealed ovulation and continuous sexuality in early Homo. The model offers a structural explanation for the evolution of menopause that integrates reproductive physiology, social hierarchy, and symbolic power within female networks.
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Title Post-Reproductive Surveillance: A Structural Hypothesis on Menopause and Female Authority in Concealed-Ovulation Hominins
In hominin species that evolved bipedalism and lost visible estrus, the concealment of female ovulation disrupted traditional male-based reproductive control and introduced new challenges in mate selection, fidelity, and paternal investment. This paper proposes that menopause—unique among primates and widespread in human populations—may have evolved not only for caregiving purposes, but as a strategic adaptation enabling elder females to oversee the sexual and reproductive behavior of younger women. By exiting the reproductive cycle, post-menopausal women escaped sexual competition and acquired a position of symbolic authority, particularly as mothers-in-law. We suggest that these post-reproductive individuals played a central role in regulating female fidelity and ensuring lineage continuity through social surveillance. This Post-Reproductive Surveillance Hypothesis reframes menopause as a form of female-driven reproductive governance that emerged in response to the socio-sexual ambiguity caused by concealed ovulation and continuous sexuality in early Homo. The model offers a structural explanation for the evolution of menopause that integrates reproductive physiology, social hierarchy, and symbolic power within female networks.
Work type Narrative, Essay
Tags female, human evolution menopause, reproductive surveillance, mothers-in-law
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Registry info in Safe Creative
Identifier 2506202207233
Entry date Jun 20, 2025, 9:27 PM UTC
License All rights reserved
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Author. Holder Fernando Olalla Carabias. Date Jun 20, 2025.
Information available at https://www.safecreative.org/work/2506202207233-post-reproductive-surveillance-a-structural-hypothesis-on-menopause-and-female-authority-in-concealed-ovulation-hominins
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Registration: 2506202207233
