MP43-09 FAILURE TO ATTAIN STRETCHED PENILE LENGTH AFTER INTRACAVERNOSAL INJECTION OF A VASODILATOR AGENT IS PREDICTIVE OF VENO-OCCLUSIVE DYSFUNCTION ON PENILE DUPLEX DOPPLER ULTRASONOGRAPHY

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INTRODUCTION AND OBJECTIVES: Men who are considering vasectomy as a means of contraception may harbor significant anxiety regarding their future sexual potency. As a result, couples may choose other forms of contraception with lower efficacy. While prior studies have demonstrated high satisfaction rates after vasectomy, no study to date has provided an objective measure of sexual function after vasectomy. Therefore we sought to determine the impact of vasectomy on the frequency of sexual intercourse. METHODS: We analyzed data from cycles 6 (2002) to 7 (20062008) of the National Survey of Family Growth (NSFG) to compare the frequency of sexual intercourse (within the prior 4 weeks) for men who had undergone vasectomy versus those who had not. We excluded men who had never had sex, as well as men under the age of 30, since vasectomy prior to this age is less common. We then constructed a multivariate logistic regression model to adjust for age, marital status, race, education, health, BMI, children, and income. RESULTS: A total number of 3798 men met the criteria for our study; 317 (8.3%) had undergone vasectomy. For men who had undergone vasectomy, the average frequency of sexual intercourse was 5.8 times per month compared to 4.8 times per month for nonvasectomized men. Only 6% of vasectomized men did not have sexual intercourse in the prior 4 weeks, compared to 16% of nonvasectomized men. In addition, 66% of vasectomized men and 53% of non-vasectomized men had sexual intercourse at least once a week. After adjusting for demographic, socioeconomic, reproductive, and health factors, men utilizing vasectomy had a 77% higher odds (95% CI 2-205%) of having sexual intercourse at least once a week, versus less than once a week. CONCLUSIONS: Vasectomy does not adversely impact sexual frequency. This finding may be helpful to couples as they consider their contraceptive options.