Ashwagandha and Pregnancy: Why Caution Is Essential

The short answer to "can I take ashwagandha while pregnant?" is no, as a precaution, and never without explicit medical advice. That is not an arbitrary statement: it rests on two different lines of reasoning that both point the same way — old traditional use and a genuine lack of reassuring human data.

What the ethnobotanical tradition says

In several old ethnobotanical sources, ashwagandha (Withania somnifera) is mentioned among plants traditionally used for their effects on the uterus, including a reported abortifacient use in certain regions. A systematic review published in 2025 in Phytotherapy Research re-examined these historical sources and points out that many of these mentions rest on old ethnobotanical reports, repeated from citation to citation without solid independent verification, which weakens their evidentiary value (see the study on Google Scholar). This review does not conclude that brahmi/">shatavari/">ashwagandha is proven dangerous in pregnancy — mainly that the data are too thin to settle the question either way.

Why absence of proof of harm is not proof of safety

This is the single most important point to understand: scientific uncertainty is never a green light. Animal toxicity studies, at doses close to those used in human supplementation, have not shown a marked teratogenic effect, and clinical trials in non-pregnant adults (on stress, sleep, thyroid function) have not flagged a concerning hormonal impact. But no clinical trial has ever been conducted in pregnant women, for obvious ethical reasons that apply, in fact, to almost every herb and supplement. In the absence of this data, the basic precautionary rule in obstetrics applies: what has not been studied during pregnancy is presumed to be avoided, not presumed safe.

What to do in practice if pregnant or trying to conceive

Situation	What to do
Confirmed pregnancy	Stop tulsi/">ashwagandha and inform your midwife or doctor
Trying to conceive	Discuss preventive discontinuation with a professional, out of caution
Breastfeeding	Data are also insufficient; get medical advice before resuming
Managing stress during pregnancy	Favor validated non-pharmacological approaches (breathing, sleep, gentle activity) and discuss with your care provider

Pregnancy stress is a real issue, not to be dismissed

If the appeal of ashwagandha often comes from a genuine need to manage stress, that need does not disappear because the herb is discouraged. Outside of pregnancy, continued interest in stress management rests notably on trials such as the one by Chandrasekhar and colleagues, published in 2012, which showed a significant reduction in cortisol and perceived stress scores in adults after 60 days of use (see the study on Google Scholar) — but that population did not include pregnant women, so no extrapolation is possible. During pregnancy, psychological support, appropriate physical activity and quality sleep are better places to turn, in discussion with your midwife.

What about after birth?

Resuming ashwagandha after delivery, especially while breastfeeding, deserves the same caution: data on transfer into breast milk are essentially nonexistent. Rhythm adjustments by constitution during this period are covered in our article on your dosha while breastfeeding, which favors non-pharmacological levers (diet, rest, routines) over unevaluated supplements.

Why does this herb attract so much interest despite this caution?

Ashwagandha owes its popularity to clinical trials in non-pregnant adults showing measurable effects on perceived stress, sleep quality and sometimes moderately slowed thyroid function. It is precisely this action on hormonal and nervous systems — useful in ordinary circumstances — that calls for caution during pregnancy, a period when hormonal balances are particularly sensitive and any active substance deserves specific evaluation before being recommended. This reasoning is not unique to ashwagandha: it applies to most so-called "adaptogenic" herbs, whose precise effect on pregnancy remains largely unknown for lack of dedicated studies.

What should not be confused with a proven danger

It is worth distinguishing two levels of discourse that often circulate mixed together online: on one side, old and poorly verified claims presenting ashwagandha as a traditional abortifacient; on the other, a very real scientific uncertainty that proves neither danger nor safety. Confusing the two leads either to disproportionate panic or, conversely, to excessive confidence. The most honest position remains: we don't know, so we abstain as a precaution — without necessarily assuming that accidental use in very early, not-yet-known pregnancy has caused harm, a point better discussed calmly with a midwife than in anxiety.

Precautions

In summary: ashwagandha has no proven toxicity during pregnancy, but it also has no proven safety — and that second absence is what matters in practice. The rule stays simple and non-negotiable: no ashwagandha, nor any other herb or supplement, during pregnancy or breastfeeding without explicit medical advice. For general safety guidance, see our safety and precautions guide and our dedicated article on Ayurveda during pregnancy.