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.
How many days do students have out of school? About 5 months or 140 days including breaks and summer. And remember it depends on the school, state, and country. Also private schools don't have to follow a law of how many â¦days of school is required each year. 5 people found this useful.