 [ Symptoms ] i am 4 weeks pregnant is passing clumps of tissue always bad does it always mean miscarriage <negative_smiley> [ Disease ] i would not recommend taking supplemental iron unless you are anemic or are instructed to so by your doctor you may want to consider trying a good multivitamin which will have some iron in it talk to your doctor about what would be best for you taking high doses of iron when not needed can be dangerous but this would be very unlikely