Prenatals and TTC

Yesterday at my appointment my doctor prescribed me prenatal vitamins I explained to him how I’ve been TTC for a year now I’ve but been unlucky so he prescribed me prenatals to help up my hormones and folic acid and start prepping my body for a baby I have an appointment with a fertility clinic in April to see how everything’s going and if I’m able to conceive but I would like to know how this will change or effect my body feel free to drop in and let me know what I could expect when taking prenatal vitamins