Do we really know where our fish comes from? What are the chances that many industries don't let out their effluent which are full of chemicals directly into the sea where fish is caught? While the need for stringent regulation for discarding the effluent is needed a new study has revealed that fish contaminated with mercury can have disastrous effects on developing foetus if consumed by pregnant women. (Read: Scientists find key to end autoimmune diseases) The study performed by the researchers of the gynaecology and obstetrics department of the University of Michigan Medical and Public Health Schools says