February 2022 in “Obstetrics and gynaecology cases - reviews” PCOS can cause unusual symptoms like late puberty and enlarged clitoris, making diagnosis difficult.
29 citations
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February 2019 in “Environment international” Higher early lead exposure is linked to delayed puberty in girls.
54 citations
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November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
5 citations
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May 2023 in “Science of the total environment” PFAS exposure in adolescence may delay puberty in females.
October 2025 in “Environment International” Exposure to certain chemicals before birth and during childhood may affect puberty timing.