The following is a summary of “Impact of Metformin on Plasma Prolactin Levels in Antipsychotics-Treated Men With Hyperprolactinemia and Early-Onset Androgenic Alopecia,” published in the May 2025 ...

If you do have low testosterone, your healthcare provider will test your LH and FSH levels to determine if the root of your low T is in the testicles or the brain (i.e. if you have primary or ...

The hallmark of primary hypogonadism is low testosterone accompanied by increased FSH and LH. Secondary hypogonadism, on the other hand, occurs because of inadequate hypothalamic or pituitary ...

Luteinizing hormone (LH) ... Your doctor may order the LH blood test in coordination with other hormone measurements, such as testosterone, progesterone, FSH, and estradiol.

The prevalence of androgen abuse is unknown, but 6.6% of senior high-school students in the US reported having used such drugs in one study. [11] Nonconfrontational and nonjudgmental questioning ...

LH and hCG are structurally similar, and hCG promotes testicular testosterone secretion through stimulation of the LH receptors on the Leydig cells (Fig. S1 in the Supplementary Appendix ...

Total T includes free plus protein-bound testosterone concentration. The normal range in most laboratories is 300 to 800 ng/dL. Total T should be the first test ordered in the workup for hypogonadism.

On administration of testosterone, both luteinizing hormone and follicle-stimulating hormone are decreased to minimal levels, suppressing intratesticular testosterone production in these men. 22 ...

Continuing androgen suppression is the current standard in men with androgen-independent prostate cancer (AIPC). An individualized strategy, wherein luteinizing hormone–releasing hormone agonists ...

Their testosterone, luteinizing hormone (LH), and follicle-stimulating hormone (FSH) levels were each categorized into a score from 1 to 6, according to cutoff values of reference levels (below 2.5 ...