72 citations,
October 2010 in “Journal of The American Academy of Dermatology” Iron deficiency common in women, not always linked to hair loss; more research needed.
35 citations,
May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
1 citations,
June 2011 in “Journal of The American Academy of Dermatology” Iron deficiency is common in women regardless of hair loss, and treating it does not usually reverse hair loss.
January 2021 in “Scandinavian journal of clinical and laboratory investigation” The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
May 2021 in “Journal of the Endocrine Society” Adolescents with PCOS have higher levels of certain androgens, which are linked to hair growth but don't help diagnose PCOS better than testosterone levels.