Not really . . .: If you follow instructions on label, home pregnancy tests are most accurate 4 or more weeks after your last menstrual period. If test is negative, you can repeat in a week. If you're actively trying to conceive, start taking prenatal vitamins immediately to minimize risk of neural tube defects. Folic acid is not nearly as useful after you find out you're pregnant (as development occurs before).
Answered 6/25/2014
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