<p>Pregnancy Category B. Since there are no controlled studies of Spectinomycin in pregnant women, and because animal reproduction studies are not always predictive of human responses, Spectinomycin should be used during pregnancy only if clearly needed. It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Spectinomycin is administered to a nursing woman.</p>