Hormone Tests

Clear, evidence-based guidance on hormone tests can help make sense of symptoms, laboratory results, endocrine conditions, fertility concerns, pregnancy changes, and treatment monitoring. This main category brings together detailed explanations of individual hormones, comprehensive test panels, normal ranges, high and low results, testing preparation, limitations, and common follow-up steps. Thyroid testing includes TSH, free and total T4, T3, thyroid antibodies, thyroglobulin, calcitonin, Graves disease, Hashimoto thyroiditis, hypothyroidism, hyperthyroidism, pregnancy-related thyroid testing, and thyroid hormone replacement monitoring. Reproductive and fertility topics cover AMH, FSH, LH, estradiol, progesterone, prolactin, testosterone, SHBG, inhibin, ovarian reserve, ovulation, infertility, PCOS, puberty, perimenopause, and menopause. Dedicated male and female hormone guides address hypogonadism, androgen deficiency, sperm production, menstrual changes, amenorrhea, hirsutism, hair loss, gynecomastia, hormone replacement therapy, and reproductive health. Adrenal and pituitary testing includes cortisol, ACTH, aldosterone, renin, metanephrines, catecholamines, growth hormone, IGF-1, prolactin, ADH, copeptin, adrenal insufficiency, Cushing syndrome, acromegaly, and pituitary tumors. Additional resources explain pancreatic and metabolic hormones involved in insulin production, glucose regulation, appetite, hypoglycemia, and insulin resistance. Bone, calcium, vitamin D, and parathyroid testing covers PTH, calcium balance, osteoporosis, and bone turnover markers. Pregnancy hormone guides include hCG, progesterone, estradiol, estriol, PAPP-A, inhibin A, early pregnancy trends, ectopic pregnancy, miscarriage assessment, and prenatal screening. Each article helps readers understand why a hormone test may be ordered and how results fit into the broader clinical picture.