1. In ovo inhibition of steroid metabolism by bisphenol-A as a potential mechanism of endocrine disruption by Sandrine G. Clairardin, Ryan T. Paitz, and Rachel M. Bowden Proceedings B Volume 280(1769):20131773 October 22, 2013 ©2013 by The Royal Society

2. Levels of (a) oestradiol, (b) oestrone and (c) oestrone sulfate in T. scripta eggs during early embryonic development. Sandrine G. Clairardin et al. Proc. R. Soc. B 2013;280:20131773 ©2013 by The Royal Society

3. Schematic of how steroid metabolism is altered during the first nine days of embryonic development in T. scripta when eggs are exposed to the endocrine disruptor bisphenol-A. Sandrine G. Clairardin et al. Proc. R. Soc. B 2013;280:20131773 ©2013 by The Royal Society