Two estrogenic UV filters, 4-MBC and 3-BC, impair female sexual behavior in rats, 3-BC also disturbs estrous cycles.

• Faass, O., Schlumpf, M., Reolon, S., Henseler, M., Maerkel, K., Durrer, S., Lichtensteiger, W. (2009).
  Female sexual behavior, estrous cycle and gene expression in sexually dimorphic brain regions after pre- and postnatal exposure to endocrine active UV filters.
  NeuroToxicology 30: 249-260.
  

UV filters in Human Milk

• Schlumpf, M., Kypke, K., Vökt C.C., Birchler, M., Durrer, S., Faass, O., Ehnes, C., Fuetsch, M., Gaille, C., Henseler, M., Hofkamp, L., Maerkel, K., Reolon, S., Zenker, A., Timms, B., Tresguerres, J.A.F., Lichtensteiger, W. (2008).
  Endocrine active UV filters: Developmental toxicity of UV filters and exposure through breast milk.
  Chimia 62: 345-351
  

Review article: Endocrine effects and developmental toxicity of estrogenic UV filters

• Schlumpf, M., Durrer, S., Faass, O., Ehnes, C., Fuetsch, M., Gaille, C., Henseler, M., Hofkamp, L.,
  Maerkel, K., Reolon, S., Timms, B., Tresguerres, J.A.F., Lichtensteiger, W. (2008).
  UV Filters: Developmental toxicity of UV filters and environmental exposure. A review.
  Intern. J. Androl. 31: 144-151.