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In this study, changes in hair cycle phases during pregnancy and the post-partum period showed a rise in telogen rates after delivery, especially among non-breastfeeding women, but no drastic exaggerations were noted.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

This study found that combining Flutamide and an LHRH agonist in adult male rats effectively inhibited prostatic growth and reduced androgen-sensitive prostatic activity markers to levels similar to castrated rats.

This study suggests that many men with premature balding exhibit a hormonal pattern similar to some aspects of polycystic ovary syndrome in women.

This study suggests that young women with low prolactin levels may face higher cardiometabolic risk, and reducing cabergoline dosage reversed related metabolic disturbances.

This review discusses how neuroendocrine pathways influence keratin regulation in human skin and hair follicles and suggests these pathways as potential targets for new treatments of skin disorders, but reports no clinical results.

This study found that melatonin implants at specific times of the year may increase cashmere production in young Australian cashmere goats by altering their growth cycles.

This study reported that both drospirenone and chlormadinone acetate oral contraceptives had similar beneficial effects on clinical, metabolic, and hormonal parameters in women with polycystic ovary syndrome over six months.

In this study, treatment targeting the estrogen-androgen balance reduced hair loss in 74 out of 104 women with androgenetic alopecia, with some experiencing hair regrowth.

This article discusses the discovery of the first known menstruating rodent, the spiny mouse, and proposes that a significant increase in progesterone during the luteal phase is a unique feature of menstruating species, but reports no new experimental results.

This review explores various hormone influences on hair growth and loss beyond androgens, noting that clinical hormone therapies for aging may impact hair due to associated hormone level reductions, but reports no new empirical results.

This presentation reviews recent discoveries about signaling mechanisms in hair follicles and their potential influence on hair cycle control and melanogenesis, without presenting new experimental results.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

This study found that increased hair growth from Cyclosporin A treatment is likely not due to hormonal changes.

This study found that women with pilonidal sinus disease had significantly higher prolactin levels compared to women without the disease, suggesting a possible link to its development.

This case study reports that hormonal imbalances in a young boy with precocious pseudopuberty returned to normal after the removal of a testicular interstitial cell tumor, with normal spontaneous puberty following.

TSH influences keratin expression in human hair follicles.

This report discusses the possibility that estrogens might play a greater role than androgens in female pattern hair loss, without presenting new research findings.

In this study, five patients with moderate hyperprolactinemia lacked symptoms, signs, or underlying causes, leading researchers to conclude that no further investigation or therapy was needed.

This article reviews assessment and management strategies for adolescent females with excessive hair growth and highlights the importance of evaluating potential androgen sources.

This review analyzes how androgens impact sexual desire and reproductive behaviors, emphasizing molecular interactions, but provides no new clinical results.

In this study, low-dose spironolactone effectively reduced hirsutism in women and stopped hair loss in one woman with alopecia areata, without significant side effects over 12 menstrual cycles.

This study found that in female patients with androgenic hair loss and hirsutism, complex hormonal disturbances include elevated cortisol and thyroid hormone imbalances, rather than elevated androgen levels alone.

This review discusses the hormonal and pathological factors contributing to gynecomastia and premature thelarche in children but presents no new clinical findings; the authors emphasize the need for careful evaluation.

This study found a significant association between gut microbiome composition and PCOS in Indian women, relating specific bacterial genera to reproductive health and metabolic indicators.

This research identified key miRNAs involved in sheep fetal hair follicle development, highlighting the prolactin signaling pathway and platelet activation as critical processes in secondary follicle initiation.

This article reviews how sex hormones and their analogues are used to treat diseases like autoimmune disorders and cancer, and discusses potential applications in infectious and parasitic diseases, without reporting new clinical results.

In this study, 12 months of cyproterone acetate and ethinyl oestradiol treatment significantly reduced hair growth rate and certain hormone levels in hirsute women, though hair density and prolactin levels remained unchanged.

This study found that melatonin treatment in adult cashmere goats increased cashmere yield and improved fibre quality without negatively affecting the hair follicle development or cashmere production in their offspring.

This study suggests melatonin may promote cashmere growth in Inner Mongolian cashmere goats through the nuclear receptor RORα, with a noted mRNA expression difference in December compared to other months.