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Updated: Aug 18, 2026

An Experimental Model of Diet-Induced Metabolic Syndrome in Rabbit: Methodological Considerations, Development, and Assessment
Published on: April 20, 2018
Prenatal toxic effects of STS 557. II. Investigation in rabbits--preliminary results
Abstract:
The synthetic steroid STS 557 (17 alpha-cyanomethyl-17 beta-hydroxy-estra-4, 9-dien-3-one) was tested in gravid rabbits from days 5 to 25 p.c. It was the aim of the experiments to investigate any embryotoxic and/or teratogenic effect of STS 557. The compound did not show any effects on the mothers nor on the fetuses. Levonorgestrel was tested as standard.
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