Pregnancy's Lasting Imprint: Late Pregnancy Allopregnanolone Alters Rat Fear Recall and Medial Prefrontal Cortex Activity

    January 2026 in “ Hormones and Behavior ”
    Lindsay K. Vincelette, Ece Ulgenturk, Bita Adel-Zadeh … Rebecca M. Shansky
    Studysummary In this study, researchers observed that reproductive experience in female rats altered fear memory and medial prefrontal cortex (mPFC) activity, with pregnant and parous rats showing impaired fear recall compared to nulliparous controls, highlighting the influence of pregnancy-related neurosteroids on cognitive function and brain activity.
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    Research cited in this study 1

    1. Finasteride Delays the Onset of Maternal Behavior in Primigravid Rats Physiology & Behavior · 2006