Senior Clinical Fellow Cardiology and Cardiothoracic Surgery Royal Brompton Hospital & Harefield Hospital
Male Fertility Hormones
Luteinizing hormone (LH) is a hormone produced by the anterior pituitary gland in the brain. It plays a crucial role in regulation of the menstrual cycle in females and testosterone production in males. In females, LH triggers ovulation (release of an egg from the ovary) and stimulates the production of estrogen and progesterone. In males, LH stimulates the production of testosterone in the testes.
Follicle-stimulating hormone (FSH) is a hormone produced by the anterior pituitary gland in the brain. It plays a crucial role in regulating reproductive functions in both males and females. In females, FSH stimulates the growth of follicles in the ovaries and regulates the production of estrogen. In males, FSH stimulates the production of sperm in the testes.
Testosterone is a steroid hormone produced by the male testicles and the adrenal glands in both men and women. It plays a key role in the development of male characteristics, such as muscle mass, body hair, and a deep voice. Testosterone levels naturally decrease as men age, and low levels can lead to conditions such as decreased sex drive, osteoporosis, and muscle weakness. It is found in small amount in females from the ovary. Testosterone test is used to diagnosed various conditions such as erectile dysfunction and infertility in men.
Oestradiol is a type of estrogen, a hormone produced in the ovaries of women and in smaller amounts by the testes in men. It plays a key role in regulating the menstrual cycle and supporting pregnancy in women, as well as maintaining bone density and sexual function in both men and women. Abnormal oestradiol levels can indicate a hormonal imbalance or underlying medical condition.
Free Testosterone Calculation (FT) is a laboratory test used to measure the amount of free (unbound) testosterone in the blood. Free testosterone is the portion of testosterone that is not bound to proteins in the blood and is available to enter cells and exert its effects.
Albumin is a protein that is produced by the liver and is present in the blood. It is one of the most abundant proteins in the body and plays an important role in maintaining the balance of fluids in the body, as well as in the transport of hormones, enzymes, and other substances throughout the body.
Sex Hormone Binding Globulin (SHBG) is a protein produced by the liver. Its main function is to regulate the levels of oestradiol, testosterone and dihydrotestosterone hormones in the blood by binding to them making them unavailable for use. The SHBG test is used to diagnose testosterone deficiency in men and is used to investigate the production of testosterone in women.
DHEA-S (Dehydroepiandrosterone sulfate) is a hormone produced by the adrenal glands and is the sulfated form of the hormone DHEA. It is commonly used as a biomarker to assess adrenal gland function and to diagnose certain medical conditions, such as adrenal insufficiency and polycystic ovary syndrome. DHEA-S levels in the blood can be influenced by various factors, such as age, sex, and certain medical conditions, and can change over time.
Please view the video provided below for a step-by-step guide on how to perform our home test kits.
Dr Dany Succar
Charlotte Genevieve Brown
BSc Nutrition and Health
Registered Associate Nutritionist (ANutr)