Excessive saliva build-up in the mouth also called ptyalism gravidarum in pregnancy is one of those strange pregnancy symptoms some moms-to-be experience. It is relatively rare, but it exists.

Dear Dr. Douma: I have been experiencing excess spitting up, and a CAT scan showed that I have liquid in my right sinus. The doctor says it's OK to swallow this stuff, but what can I do to clear up my ...