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The following assumptions were accepted: The additional risk for the infant to die when born to mothers whose pregnancies were unintended was assumed to be the same for Pierce County as it was found for the U.S.; One third of all cases of Hepatitis B infection was assumed to be sexually transmitted; Two thirds of all HIV cases were assumed to be sexually transmitted; 100% of all cases of cervical cancer were suggested to be sexually transmitted; 100% of all cases trichomoniasis, syphilis and other venereal diseases were suggested to be sexually transmitted; The proportion of additional bed-days and outpatient visits associated with the additional risk of death among those infants who were born to mothers whose pregnancies were unintended was assumed to be the same as for the risk of death for those infants, that is, equal to 12.5%. Data pertaining to outpatient visits from hospitals in Pierce County was unavailable at the time of this study. To reconstruct this data, it was assumed that Regence Washington Health data covering 9.5% of the Pierce County population provide a reasonably fair picture of the percent morbidity in Pierce County. So, the estimates for Pierce County population were obtained by multiplying the Regence data by 1/0.095 = 10.5.