While you can consume soybean during pregnancy for the storehouse of nutrients that it is, you must be cautious of your amount you consume. When pregnant, half a cup of tofu or a cup of soymilk daily is fine. Beyond this quantity, soy can interfere with your digestion and cause nausea, diarrhea, or constipation.
Taking common medicines during pregnancy, a summary of NHS UK guidelines
You should definitely check with your doctor before taking any medication during pregnancy. Even for medication you were already on at the time of getting pregnant, now needs to be approved by your doctors as