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Men with low serum testosterone levels should have other hormones checked, particularly luteinizing hormone to help determine why their testosterone levels are low and help choose the most appropriate treatment (most notably, testosterone is usually not appropriate for secondary or tertiary forms of male hypogonadism, in which the LH levels are ...
Menopause, also known as the climacteric, is the time when menstrual periods permanently stop, marking the end of the reproductive stage for the female human. [1] [6] [7] It typically occurs between the ages of 45 and 55, although the exact timing can vary. [8]
He postulates that if women survive beyond an age at which they can reproduce and men continue spermatogenesis, then old males can benefit greatly if they can copulate with younger females. It is theorised that increased use of tools and weapons compensates for the decline in natural fighting ability with age. [ 3 ]
As the number of menopausal women of Gen X increases, menopause test kits and companies must offer guarantees of practicality, respect and utility, writes Dr. Lara Freidenfelds. Opinion: The truth ...
Doctors explain the benefits of home hormone testing for women including if testing estrogen, progesterone, and LH can help you learn about fertility and PCOS.
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The grandmother hypothesis is a hypothesis to explain the existence of menopause in human life history by identifying the adaptive value of extended kin networking. It builds on the previously postulated "mother hypothesis" which states that as mothers age, the costs of reproducing become greater, and energy devoted to those activities would be better spent helping her offspring in their ...
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