it can only help to take a prenatal vitamin now but the most important thing to do is to make sure you get at least 400mcg folic acid daily. you might want to check your blood levels to make sure you aren't anemic and that your vitamin d levels are normal. if they are not it's beneficial to correct these deficiencies before becoming pregnant. for more on what to do before pregnancy see this webmd article.
prenatal vitamin or multivitamin? . i'm not pregnant yet. should i take an over the counter prenatal vitamin or a multivitamin with folic acid and prenatal vitamin listed on the back three months before trying to conceive?