 [ Symptoms ] can diabetes or my metformin cause high cholesterol i was taking prevastatin but my cholesterol is very high i also had a big steak dinner the night before the test could that make a difference it confuses me because i eat oatmeal once or twice a day which is supposed to help lower cholesterol plus i am on pravastatin my doctor just switched me back to simvastatin but i am very concerned i have a peanut butter sandwich and a half with my breakfast each morning would that make my cholesterol skyrocket [ Disease ] hypothroidism can cause you to lose your baby adjustment of the thyronorm on your own is not a good idea as you will need to increase dose with pregnancy doctor will be monitoring your tsh and readjusting your dose accordingly he will take into consideration your age sex and weight good luck