Peppermint

Peppermint has long been used as an aid for upset stomach, nausea, and vomiting. As a result, it is often used to soothe during nausea and vomiting due to pregnancy. It is often taken through tea. Some pregnant women douse a piece of cloth with the peppermint oil to smell as needed. Peppermint should be taken only in small amounts as it is rich in volatile oils that may cause further irritation. 

Source: Botanical Medicine for Women’s Health by Aviva Romm

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