Here is a list of herbs I’ve compiled from other sites that suggest herbs to avoid while pregnant
Angelica | Used as an emmenagogue, meaning used to stimulate blood flow in the pelvic area and uterus; and menstruation. Common emmenagogues include mugwort, parsley, chamomile and ginger to cause an abortion or prevent pregnancy. Others use emmenagogues to stimulate menstrual flow |
Basil | Possible irritant |
Birch | Possible irritant |
Black pepper | Skin sensitization |
Boldo leaf | Toxic |
Buchu | Liver hazardous |
Calamus | Toxic |
Camphor | Toxic |
Cassia | Skin sensitization |
Cedarwood | Emmenagogue |
Chamomile | Emmenagogue |
Cinnamon | Skin sensitization and emmenagogue |
Clary sage | Emmenagogue |
Clove | Skin sensitization |
Elecampane | Skin sensitization |
Fennel | Anethole rich |
Fir | Possible irritant |
Ginger | Emmenagogue |
Horseradish | Toxic |
Hyssop | Could cause toxicity |
Jaborandi leaf | Toxic |
Jasmine | Emmenagogue |
Juniper | Emmenagogue |
Lemon | Possible irritant |
Lemongrass | Possible irritant |
Marjoram | Emmenagogue |
Melissa | Possible irritant |
Mugwort | Toxic |
Mustard | Toxic |
Myrrh | Emmenagogue |
Nightshade | Toxic |
Nutmeg | Skin sensitization |
Oregano | Skin sensitization |
Parsley seed | Apiol rich |
Pennyroyal | Toxic |
Peppermint | Emmenagogue |
Pine | Skin sensitization |
Rose | Emmenagogue |
Rosemary | Emmenagogue |
Rue | Toxic |
Sage | High thujone content. Thujone is best known as a chemical compound in the spirit absinthe. Is reported to be toxic to both brain and liver cells and could cause convulsions if used in too high a dose. Other thujone-containing plants such as the tree Arborvitae (Thuja occidentalis) are used in herbal medicine, mainly for their immune-system stimulating effects. Side-effects from the essential oil of this plant include anxiety and sleeplessness, which confirms the central nervous system effects of thujone |
Sassafras | Toxic |
Savin | Toxic |
Savory | Could cause toxicity |
Southernwood | Toxic |
Stinging nettle | Toxic |
Tansy | Toxic |
Thuja | Toxic |
Thyme both Red and Linalol) | Possible irritant |
Wintergreen | Toxic |
Wormseed | Toxic |
Wormwood | Toxic |
Balsamite | Contains Camphor, a neurotoxin and convulsant. |
Ho leaf | Contains Camphor, a neurotoxin and convulsant. |
Hyssop | Contains Pinocamphone, which is generally toxic, a neurotoxin, and convulsant. |
Indian Dill Seed | Contains Apiol, which is generally toxic, an abortifacient, and toxic to the fetus.) |
Juniperus Pfitzeriana | Contains Sabinyl acetate, known to be an abortifacient. |
Parsley Leaf | Contains Apiol, which is generally toxic, an abortifacient, and toxic to the fetus. |
Parsleyseed | Contains Apiol, which is a generally toxic, an abortifacient, and toxic to the fetus. |
Plectranthus | Contains Sabinyl acetate, known to be an abortifacient. |
Sage Sopanish | Contains Sabinyl acetate, known to be an abortifacient.) |
Savin | Contains Sabinyl acetate, known to be an abortifacient.) |
Annual Wormwood | Contains Artemisia ketone, which is possibly toxic and a neurotoxin) |
Cangerana | Contains Safrole, a possible carcinogen. |
Lavandula Stoechas | Contains Camphor which is a neurotoxin and convulsant.) |
Lavender cotton | Contains Artemisia ketone, which is possibly toxic and a neurotoxin.) |
Oakmoss | Contains Thujone, a neurotoxin known to cause convulsions.) |
Perilla | Contains Perilla ketone, which is potentially toxic |
Rue | Has a strong folk history of being an abortifacient with a small amount of clinical evidence to back it up. It is not known which compounds are to blame, but it is likely that its general toxicity is to blame for its possible abortifacient nature.) |
Treemoss | Contains Thujone, a neurotoxin known to cause convulsions.) |