Under normal development, menstruation generally begins around the age of 14 in women. However, if menstruation has not occurred by age 18, or if the menstrual cycle has been established but then ceases for more than three months (excluding pregnancy and lactation), this is referred to as amenorrhea. The former is termed primary amenorrhea, and … Read more
A menstrual cycle delayed by 8–9 days, or even occurring every 40–50 days, is called Delayed Menstruation (Yuejing Houqi). If it is only delayed by 3–5 days without any other signs of imbalance, it is not classified as Delayed Menstruation. According to Traditional Chinese Medicine (TCM), the occurrence of delayed menstruation with scanty flow involves … Read more
A menstrual cycle that advances by eight or nine days, or even results in two periods within one month, is termed “Preceded Menstruation”. If it only advances by three to five days without any other discomfort, it should be considered within the normal range. Preceded Menstruation often occurs together with heavy menstrual bleeding. Traditional Chinese … Read more