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.
1 The first day of your period is day one. 2  If your menstrual cycle is irregular, then you may bleed every 21-35 days for 2-7 days, perhaps with some spotting. 3  Number each of the days preceding your period.4  When you start a new period, then that is your new day one.lthough you are having irregular periods, start the tracking on the first day of your period. 1  The first day of your period is day one. 2  If your menstrual cycle is irregular, then you may bleed every 21-35 days for 2-7 days, perhaps with some spotting. 3  Number each of the days preceding your period.