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Opioid peptides in pseudocyesis.

G W Devane, M I Vera, W C Buhi

    Obstetrics and Gynecology
    |February 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    This study investigated hormonal patterns in women with pseudocyesis, finding elevated hormones similar to polycystic ovarian disease. Naloxone administration did not alter hormone levels, suggesting opioid pathways are not involved in this condition.

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    Area of Science:

    • Reproductive Endocrinology
    • Neuroendocrinology

    Background:

    • Pseudocyesis, or false pregnancy, presents with symptoms mimicking pregnancy but without conception.
    • Hormonal imbalances, particularly those resembling polycystic ovarian disease (PCOD), have been anecdotally linked to pseudocyesis.

    Purpose of the Study:

    • To evaluate the hormonal profiles of women diagnosed with pseudocyesis.
    • To investigate the potential role of opioid pathways in the pathophysiology of pseudocyesis through naloxone challenge.

    Main Methods:

    • Hormone levels (LH, FSH, prolactin, estrone, estradiol, progesterone) were measured in five women with pseudocyesis.
    • The opiate antagonist naloxone was administered to four patients to assess its effect on luteinizing hormone (LH) and prolactin (PRL) release.
    • Hormonal responses to naloxone were re-evaluated after pseudocyesis resolution.

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    Main Results:

    • Women with pseudocyesis exhibited hormonal patterns consistent with PCOD, including elevated LH, PRL, estrone, and estradiol.
    • Elevated progesterone levels were observed in four patients during the follicular phase.
    • Naloxone administration failed to induce LH or PRL release in patients with active pseudocyesis.
    • Following resolution of pseudocyesis, naloxone-induced LH release normalized according to the menstrual cycle phase.

    Conclusions:

    • The hormonal milieu in pseudocyesis may resemble that of PCOD.
    • Naloxone-insensitive opioid mechanisms are likely not implicated in the hormonal dysregulation observed in pseudocyesis.
    • The resolution of pseudocyesis is associated with a normalization of neuroendocrine function, including appropriate LH pulsatility.