– https://www.babycenter.com/pregnancy/your-body/excessive-saliva-during-pregnancy_9454
– https://www.dispensaire.ca/en/article/saliva-production-increase-during-pregnancy/
– https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3364630/
– https://www.nct.org.uk/pregnancy/worries-and-discomforts/common-discomforts/excessive-saliva-pregnancy
– https://www.whattoexpect.com/pregnancy/symptoms-and-solutions/saliva.aspx