The 6-1 decision allows Peguy Delva to proceed with her lawsuit against her employer, real estate developer Continental Group.
The Tennessee state legislature passed SB 1391 Wednesday, a bill that allows women who suffer from drug-related pregnancy complications to be charged with assault and potentially imprisoned.
Walmart has updated its worker accommodation policy, but advocates say that the new policy may still allow discrimination against pregnant workers.
Despite the Pregnancy Discrimination Act of 1978's bar on discrimination toward pregnant employees, many American women are forced out of their jobs or denied accommodations that would allow them to continue working once they become pregnant.
Massachusetts Governor Deval Patrick signed emergency regulations last week banning the shackling of incarcerated pregnant women.
A 2012 report by the Center for Women Policy Studies found that Texas is one of 12 US states that invalidate a woman's end-of-life wishes if she is pregnant.
"It's unfair to make me choose between earning a living and protecting my health and the health of my baby when I could still perform my job without doing any heavy lifting."
"They never offered me any options," said Means. "They didn't tell me what was happening to my body. Whatever was going on with me, they discussed it amongst themselves. I was just left to wonder, what's going to happen to me?"
Currently only a handful of states provide protections for pregnant workers.
Yesterday, the House Judiciary Committee voted 20 to 12 along party lines to approve a bill that would ban abortion after 20 weeks nationwide. The bill now goes before the full House of Representatives, and could be brought up for debate as early as next week.