Once pregnancy is recognized, most women seek prompt prenatal care and try to stop risk behaviors. Unfortunately, women with unintended pregnancies do not recognize their pregnancies promptly, and inadvertently continue risk behaviors into the vulnerable early pregnancy weeks. Home pregnancy testing is a rapid and inexpensive means of pregnancy diagnosis. The objective of this study is to determine whether women in a Medicaid population at risk for unintended pregnancy will keep a home pregnancy test on hand and (if necessary) use it appropriately