28 citations,
April 2014 in “Hormones” Higher androstenedione levels in women with PCOS are linked to more severe symptoms.
15 citations,
October 2011 in “Gynecological Endocrinology” Obesity changes androgen levels in women with PCOS, leading to higher testosterone relative to androstenedione.
February 1999 in “Strength and Conditioning Journal” Androstenedione, a hormone supplement, doesn't improve muscle or performance and can cause harmful side effects.
5 citations,
March 2022 in “Frontiers in Endocrinology” A model using hormone levels, cycle length, and BMI can help identify PCOS in Chinese women but isn't for screening teens.
31 citations,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.