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.
The menstrual cycle is the time from the first day of one period to the first day of the next. A normal menstrual cycle can be as short as 21 days or longer than 35 days. For most women, it lasts 25 - 30 days. But it's common for your cycle to vary from month to month.Here are the basics: 1  You have two ovaries.here's no way to know exactly when you'll get your first period. One day, you'll begin to bleed from your vagina, and that's your period. It means that your body is healthy and normal. Most girls have their first period when they're between 9 and 15 years old.