1 Both these new developments cause frequent urination during pregnancy. 2  This adds to the feeling of dehydration and dryness of the mouth in pregnancy. 3  Dry mouth at night during pregnancy could also be the result of some kind of health condition. 4  Dry mouth in pregnancy is not a disease but a symptom.
(June 2015). In the United States, the academic year typically has about 180 school days for K-12, running from the early in the Northern Hemisphere fall to early summer.
Nine states require students to attend school until age 17. Thirteen states and the District of Columbia require students to stay in school until age 18. Minnesota will require students to stay in school until age 18 starting with the 2000-01 school year.