you know why many companies get away with it. the woman doesnt wanna pursue it, she already has enough (big belly) to worry about. the husband is not man enough.
not surprising companies get away with it all the time. dont complain here unless you will actually fight for your rights. dont expect rights to be in your favour by complaining on the internet.
you can start by typing the company's name. after all, they already sacked you and you SHOULD be taking them to court or some sort. both ways, they cant do anything to you.
but if i recall, companies will terminate on grounds of non-performance or something along that line. saying you are a lazy worker. start proving your worth and stand your ground woman !