Derived from cholesterol, it is produced in the testes and ovaries, as well as in the adrenal glands. It plays a big role in producing LH and FSH hormones (which we’ll get to later). In females, testosterone plays a role in fertility, libido, menstruation and bone mass, including the stimulation of new red blood cells, hence why it’s often associated with our sex drive (and aggressive behaviour). We often see the long-term use of Oral Contractive Pills (OCPs) attributing to low testosterone levels. When we think of testosterone we think of the more masculine attributes, i.e. body hair, deep voice,...