During the entire period of pregnancy, you cannot use the essential oils of the following plants: angelica, ajgon, basil, marigold, cloves, oregano, goldenrod, hyssop, camphor, cedar, chervil, coriander, cinnamon, catnip, cumin, meadowsweet, laurel, cistus, Chinese lemongrass , lovage, marjoram, lemon balm, myrrh, juniper, nutmeg, parsley, fir, wormwood, rosemary, rue, sassafras tree, celery, caraway, tuberose, thuja, yarrow, hops, citronella, savory, thyme, tea tree, sage, tarragon.
From the 1st to the 4th month of pregnancy the following are contraindicated: verbena, jasmine, ylang-ylang, ginger, cananga, cypress, lavender, mint, spikenard, neroli, petit grain, rose, chamomile (only for aromatizing the air), dill, fennel , horseradish, tea tree, eucalyptus.
After the specified period, these oils can be used. In the last trimester of pregnancy, geranium is added to them.