Read Part 1 Here: What are Hormones and How do they Function? A menstrual cycle is a roughly four-week span of time when three key hormones—estrogen, testosterone and progesterone—rise and fall in a specific pattern. The cycle is determined by the number of days from the first day of one period to the first day of the…

PMS is a familiar 3 letter acronym among menstruating women. It stands for premenstrual syndrome and it is characterized by a wide array of symptoms that you typically experience on a monthly basis up to 2 weeks prior to the start of your period. According to the Mayo Clinic, 75% of menstruating women have experienced…