Or no animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.
或者,没有在动物中进行实验,也没有对妊娠妇女进行充分、严格的对照研究。
Animal studies have revealed no evidence of harm to the fetus, however, there are no adequate and well-controlled studies in pregnant women.
动物实验没有发现对胎儿有害的证据,但没有对妊娠妇女进行充分、严格的对照研究。
Or animal studies have shown an adverse effect, but adequate and well-controlled studies in pregnant women have failed to demonstrate a risk to the fetus.
或者,动物实验出现了不良作用,但对妊娠妇女进行了充分、严格的对照研究,没有发现对胎儿的危险。
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