I have always been a big believer in essential oils. Once becoming pregnant, I definitely have cut back on the ones that I am using (especially .
Peppermint oil is one of the most commonly used essential oils to treat headaches or migraines. It contains menthol, which can help muscles relax and ease pain. It's thought that applying diluted peppermint oil directly to the temples can help relieve pain from both tension headaches and migraines.
"In the second and third trimesters, some essential oils are safe to use, as your baby is more developed," Edwards adds. These include lavender, chamomile and ylang ylang, which calm, relax and aid sleep. Oils to be avoided include cinnamon, clove, rosemary and clary sage, all of which can cause contractions.