by Patricia Hughes One of the early signs of pregnancy is morning sickness. It affects more than sixty percent of all pregnant women. This condition is caused by changing hormone levels as the body adjusts to being pregnant. Although it is called morning sickness, you can experience the nausea at any time of the day or night. In most cases, morning sickness causes no harm to the [tag-tec]baby[/tag-tec]. The nausea is generally gone by the end of the first trimester. For a small number of women, the sickness continues and interferes with proper nutrition. Dehydration can result from prolonged morning sickness. Contact your health care provider if you are vomiting daily, lose weight, feel dizzy, aren’t urinating enough or feel thirsty all the time. These can be symptoms of dehydration and should be brought to the doctor’s attention as soon as possible. The food you eat can either help relieve [tag-self]morning sickness[/tag-self] or make it worse. Some foods are thought to make it..