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.
1 All days lost to health, weather, or safety emergencies between the first day of the school year and March 31 must be made up by rescheduling full school days to ensure a 180-day school year.