The article here recounts this story. The thrust of the article is that the Family and Medical Leave Act (FMLA) needs to be amended to protect workers in this situation. The article doesn't even mention the employment-at-will doctrine which justifies employee dismissals for any reason or no reason. The FMLA only applies to employers with 50 or more employees. EAW applies to everyone. The point of advocacy here should be to advocate for emergency child care as an important public obligation within the exceptions to the EAW doctrine.
US one of the worst in the developed world when it comes to supporting pregnant women: