It seems the researchers were aware that Thimerosal was potentially dangerous to developing fetuses.
A quote from the video, “Thimerosal from vaccines cause tics. Start a campaign and make that your mantra” DR. William Thompson, Senior Scientist at the Center for Disease Control.
Watch the video. http://tv.greenmedinfo.com/cdc-whistleblowers-2nd-known-vaccine-harms-pregnant-women/