23 citations
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October 2008 in “Experimental and Clinical Endocrinology & Diabetes” This study found that measuring cortisol in human hair can reflect increased cortisol production for up to six months, with the highest concentration in hair closest to the scalp.
501 citations
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October 2008 in “Psychoneuroendocrinology” This study suggests that cortisol measured in human hair can effectively reflect increased production for up to six months, but its retrospective accuracy may be limited due to rapid decline in levels.
January 2026 in “Ankara Medical Journal” In this study, pregnant women in their third trimester with hair loss reported higher levels of pregnancy-specific distress compared to those without hair loss, indicating distress might contribute independently to hair loss without significant laboratory abnormalities.
48 citations
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January 2018 in “Scientific Reports” This pilot study found that hair metabolome analysis may help differentiate pregnancy complications from healthy pregnancies by revealing significant metabolite differences between trimesters.
13 citations
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January 2013 in “Our Dermatology Online” This study found that polymorphic eruption was the most common pregnancy-related dermatosis, occurring mostly in the third trimester.