A low level of leptin, a hormone produced by fat cells, is another potential cause of amenorrhea and irregular menstruation. Research suggests that women need a certain level of leptin to maintain ...

Reproductive hormones: Sex and reproductive hormones, such as testosterone, estrogen, progesterone, luteinizing hormone (LH), ...

Hormone therapy for endometrial cancer helps control or stop the growth of cancer cells in the lining of your uterus, called the endometrium. This treatment isn’t the same as hormone treatment ...

If the test line is lighter in color than the control line, this means that your luteinizing hormone levels are too low and you haven’t begun ovulating yet. Many different types of ovulation ...

Luteinizing hormone (LH) blood test can help determine if an issue with your pituitary gland is causing low testosterone. Prolactin blood test measures levels of prolactin, a hormone responsible ...

They said a key finding was that men with a testosterone concentration below 7.4 nmol/L (213 ng/dL) had higher risk for all-cause mortality, regardless of LH (luteinizing hormone) concentration.

A case of a 26-year-old man reveals how prolactinomas disrupt hormones, ... low luteinizing hormone levels (0.6 U/L; reference value is 1.5-9.3 U/L), low follicle-stimulating hormone levels ...