Herbs to Avoid During Pregnancy and Breastfeeding
Which herbs are safe during pregnancy? Some herbs should be avoided during pregnancy because they contain toxic constituents, stimulate uterine contractions, affect hormonal activity, contain harmful pyrrolizidine alkaloids, or have other pharmacological actions that may pose risks to a developing embryo or fetus. For many other herbs, the issue is different: we simply don’t have adequate human data to establish their safety during pregnancy or breastfeeding.
