Nausea and vomiting in pregnancy or more commonly known as morning sickness occurs in the first trimester of pregnancy. Nausea and vomiting are common in the 6th week of pregnancy until the 16th week of gestation, with the peak of the worst nausea feelings at weeks 7 - 9. Nausea in early pregnancy can be reduced by using complementary therapies, one of which uses lemon and peppermint aromat…