In regard to herbs themselves, one reference provides this caution: “If you become pregnant while taking a medicinal herb, tell your physician and discontinue taking it until you have discussed it with him or her.
Seoses ravimtaimede endiga hoiatab üks teatmeteos: „Kui jääd mingi ravimtaime tarvitamise ajal rasedaks, katkesta tarvitamine, seni kuni oled saanud asja arutada oma arstiga.