An excellent overview of the effects of pregnancy discrimination on female employees, as well as on their entire families, can be found in a piece by Jeremy Blackman in the Concord Monitor (New Hampshire). 

He uses a recently filed lawsuit to describe the relevant law, national statistics, the effects on employers, and the fact that such discrimination is “not just a women’s issue, it’s a family issue, because so many women are integral parts of the financial structure of a family,” in the words of a plaintiff’s lawyer in NH.

It is recommended reading.