If your hemoglobin is slightly low, you can continue to take iron supplements, but if it is severely lowered, you need to rule out the possibility of other diseases. Anemia during pregnancy is a common phenomenon, by taking iron supplements, if there are still symptoms of anemia, then we should go to the hospital for examination to confirm the severity of anemia. If the iron supplements, only mild anemia, then you can continue to take iron supplements under the guidance of the doctor, and then with some diet, eat more iron supplements, such as black fungus, spinach, pig liver, black beans, lean meat, etc., iron supplements should continue to be supplemented, or else the anemia will be more serious. If the anemia does not improve or even worsens after iron supplementation, you need to seek professional medical help to check whether it is thalassemia and other blood system diseases. Pregnant women should pay attention to rest, eat more food rich in protein and vitamins, and exercise appropriately.