Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) What I need to know about Preparing for Pregnancy if I Have Diabetes ?
    ### Response:
    If you have diabetes,* the best time to control your blood glucose, also called blood sugar, is before you get pregnant. High blood glucose levels can be harmful to your baby during the first weeks of pregnancyeven before you know you are pregnant. Blood glucose targets are different for women who are trying to get pregnant.
    