Sumber:

– https://www.healthline.com/health/morning-sickness
– https://www.marchofdimes.org/pregnancy/morning-sickness.aspx
– https://www.parents.com/pregnancy/my-body/morning-sickness/15-tips-for-dealing-with-morning-sickness/
– https://www.whattoexpect.com/pregnancy/morning-sickness/