RH Herb Safety & Contraindications 3

Question 1

Which of the following herbs is absolutely contraindicated during pregnancy due to uterine-stimulating (oxytocic) properties?

Accepted Answer

Blue cohosh

Answer

Blue cohosh (Caulophyllum thalictroides) contains caulosaponin and methylcytisine, which strongly stimulate uterine contractions and are associated with serious adverse outcomes in pregnancy.

Question 2

Pennyroyal (Mentha pulegium) is contraindicated in pregnancy primarily because it:

Accepted Answer

Is a potent abortifacient

Answer

Pennyroyal's active compound pulegone is a potent abortifacient and hepatotoxin; its use in pregnancy has caused maternal deaths and is absolutely contraindicated.

Question 3

Which herb is generally considered safe in culinary amounts during pregnancy but should be avoided in medicinal doses due to uterine-stimulating effects?

Accepted Answer

Sage

Answer

Sage (Salvia officinalis) in medicinal doses contains thujone and has uterine-stimulating properties; small culinary use is considered safe but therapeutic doses are avoided in pregnancy.

Question 4

A breastfeeding mother asks about using peppermint tea. The main safety concern related to lactation is:

Accepted Answer

Large amounts may reduce milk production

Answer

Menthol in large quantities may reduce milk supply (antilactogenic effect), so breastfeeding mothers are advised to use peppermint in moderation.

Question 5

Motherwort (Leonurus cardiaca) is contraindicated during pregnancy because it:

Accepted Answer

Stimulates uterine contractions

Answer

Motherwort contains alkaloids that stimulate uterine smooth muscle, making it contraindicated in pregnancy but useful post-partum for uterine involution.

(RH) Registered Herbalist Practice Test

(RH) Registered Herbalist Practice Test

RH Herb Safety & Contraindications 3