Del Priore G, et al. (2009) A pilot safety and tolerability study of a nonhormonal vaginal contraceptive ring. J Reprod Med. 54(11-12):685-90.
Vaughn MA, et al. (2014) Effects of Ascorbic Acid on Available Ferrous Iron from the Non-Hormonal Contraceptive Ovaprene® Ring. Abstract. Society for Biomaterials.
Dare Biosciences website: https://www.darebioscience.com/pipeline
Download Product Report