Association of Anticipated Insertional Pain With Intrauterine Device Initiation.

Purpose: Many providers cite pain as a barrier to intrauterine device (IUD) initiation. Our objective was to determine if young women who initiate other contraceptive methods anticipate more pain with IUD insertion than those who initiate IUDs.

Methods: In this prospective cohort study, we enrolled women ages 14-24 initiating contraception at a family planning clinic.

Atrazine induces complete feminization and chemical castration in male African clawed frogs (Xenopus laevis).

The herbicide atrazine is one of the most commonly applied pesticides in the world. As a result, atrazine is the most commonly detected pesticide contaminant of ground, surface, and drinking water. Atrazine is also a potent endocrine disruptor that is active at low, ecologically relevant concentrations.