Driver's license manual states that a Class D license is valid up to 26,000 lb registered weight. We confirmed by phone that the Class D license is valid for. RV's.
Think about common causes - If you are not considering the possibility of pregnancy, but it is your first time to have a delay in your menstrual period, think about other possible causes, such as extreme stress, exercise, or weight changes that may contribute to your problem.
Doctors aren't clear on why the thyroid causes problems with the menstrual cycle. Sometimes women with thyroid disorders don't ovulate or if they do they may have a weaker ovulation and shorter luteal phase. Anything that interferes with normal ovulation can cause your period to be late or to become irregular.