Long-tailed weasel. The long-tailed weasel (Mustela frenata), also known as the bridled weasel or big stoat, is a species of mustelid distributed from southern Canada throughout all the United States and Mexico, southward through all of Central America and into northern South America.
Hypomenorrhea or hypomenorrhoea, also known as short or scanty periods, is extremely light menstrual blood flow. It is the opposite of hypermenorrhea which is more properly called menorrhagia.
4. Frequency of Your Period. The frequency of your menstrual cycle is a good indicator of how your health is doing. According to the Mayo Clinic, menstrual flow might occur every 21 to 35 days and last two to seven days, with menstrual cycles shortening and becoming more regular as you age.