Figure 6 : (Modified from BMJ thyroid testing overview online) Feedback system for thyroid hormones, Thyrotropin-Releasing Hormone (TRH), TSH, T3, T4.

Glyphosate exposure of mother theorized to decrease maternal TSH, thus reducing maternal T4/T3.

Seneff et al.Journal of Autism  2016 3:1DOI : 10.7243/2054-992X-3-1