Is it normal increase in saliva during pregnancy

Sometimes, especially between the second and fourth month of pregnancy, her mouth full of saliva at all times and can even swallow cause you nausea. This excess is called ptyalism saliva or drooling, and is another common symptom of pregnancy caused by an increase of hormones that the pregnancy itself creates. It's annoying, but it is normal and should not procuparte. This symptom is still more common in women who also suffer from the famous morning sickness.
What can I do to better cope with this situation?

Usually, this hypersalivation disappears after the first quarter of Prematurity. One way to reduce this discomfort may be by brushing teeth with minty toothpaste when you see the symptom begins. Also you can make mouthwash or chewing gum or mint.

When should I worry?
Sometimes this symptom may be the beginning of a pregnancy complication called hyperemesis gravidarum, in which, apart from appearing salivation vomiting that occur until 5 or 10 times a day, regardless if the stomach is empty or not. This can prevent proper feeding and maternal lead to dehydration with the need for intravenous infusions of fluids to avoid more severe complications. Remember to consult your obstetrician if you have this type of vomiting.