D & B stands for the Dunn & Bradstreet Corp., which specializes in gathering credit ratings for registered and non-registered companies. Having a company's credit rating information gives decision-makers an advantage when considering the potential risks in dealing with a particular company.
The Answer: There isnât any hormonal reason some women feel totally drained during their period. Itâs totally normal to feel mood swings or crave sweets or salt, but nothing about menstruation itself should be making you feel tired. Instead, a few of your habits, which are a reaction to how crummy you feel when youâre menstruating, could be contributing to your low energy levels.
While 3-5 days is most common, anywhere between 2 and 7 days is considered normal. See your doctor if your period lasts longer than a week or suddenly changes from what's regular for you.1  Previous. 2  Continue.n young girls and teenagers, periods are commonly irregular and have cycles ranging between 21 and 45 days. Keep track of your periods on a calendar (which can help you and your doctor determine what pattern is normal for you). 1  Previous.