Herbs safe for pregnancy — PlantSage
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Herbs safe for pregnancy
— Pregnancy-safe herbs — and what to avoid throughout pregnancy.
Pregnancy dramatically changes which herbs are appropriate. Emmenagogues (herbs that stimulate menstruation), strong purgatives, and herbs with abortifacient history are all contraindicated. Most herbs labelled 'safe' here are safe at culinary doses; therapeutic doses should always be discussed with a midwife or clinician familiar with herbal medicine. First-trimester caution is highest for any new herb.
Always consult a qualified clinician, veterinarian, IBCLC, or midwife before introducing any herbal preparation. If toxic exposure is suspected, contact the appropriate poison control hotline immediately.
I
Generally safe
Tolerated by pregnant individuals at typical doses. Always start low.
Common Ginger
Zingiber officinale
Ginger — well-studied for morning sickness up to ~1g/day.
Red raspberry
Rubus idaeus
Red raspberry leaf — traditional uterine tonic, typically introduced in 2nd-3rd trimester.
Matricaria Chamomilla
Mild infusion for digestion + sleep. Avoid concentrated extracts.
Oats
Avena sativa
Oat straw — gentle nervine, mineral-rich. Daily use is fine.
Stinging nettle
Urtica dioica
Cooked nettle — iron + minerals for prenatal nutrition.
Dog Rose
Rosa canina
Rosehip — vitamin C, gentle, safe throughout.
II
Use with caution
Context-dependent. Reduce dose, watch for reactions, or use only under practitioner guidance.
Fenugreek
Trigonella foenum-graecum
Fenugreek — uterine-stimulating at high doses. Culinary OK.
Parsley
Petroselinum crispum
Parsley — high doses are abortifacient. Garnish amounts OK.
Sage
Salvia officinalis
Sage — therapeutic doses contraindicated; culinary use OK.
Curcuma Longa
Turmeric — culinary OK. Avoid high-dose supplements.
III
Avoid entirely
Known toxic or strongly contraindicated for pregnant individuals.
Mentha pulegium
Mentha pulegium
Pennyroyal — known abortifacient, hepatotoxic. STRICTLY avoid.
Common Mugwort
Artemisia vulgaris
Mugwort — emmenagogue and abortifacient.
Tansy
Tanacetum vulgare
Tansy — thujone toxicity + abortifacient history.
Ruta graveolens
Ruta graveolens
Rue — abortifacient + neurotoxic.
Actaea Racemosa
Black cohosh — uterine effects, not in 1st trimester.
Caulophyllum Thalictroides
Blue cohosh — cardiovascular toxicity to fetus.
Hydrastis Canadensis
Goldenseal — uterine stimulant, alkaloids may affect fetus.
Barberry
Berberis vulgaris
Barberry — berberine alkaloids contraindicated.
IV
Source references
Verdicts on this page curated against Botanical Safety Handbook + EMA monographs. See also the PlantSage methodology page for how we vet safety claims.
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