Exact(1)
A 2011 survey by the Boston Public Health Commission, citing data from the C.D.C., found that 54 percent of Boston's high school students had had sexual intercourse — slightly higher than the national rate for that year, 47 percent.
Similar(59)
The idea that the high rural prevalence is driven by that group's riskier sexual behavior-a somewhat lower mean age at first intercourse and slightly higher number of partners before age 20-is refuted by the lack of a convincing association between either of those risk factors and HR-HPV status in the rural setting.
The disadvantage is that the method does not take into account that some people may have more than one sex act in a day (i.e., only one of those sex acts will be counted), so that the frequency of intercourse may be slightly underestimated.
It is good for the woman to stay lying down after intercourse with hips slightly elevated on a rolled up towel or pillow in order to help the sperm get to their destination.
The proportion of those who had had unprotected sexual intercourse in the past six months was slightly lower in couples in which the index partner was taking combined antiretroviral treatment (273/476 (57%) v 69/149 (46%), P=0.019), as was the proportion of couples with previous pregnancies (226/476 (47%) v 53/149 (36%), P=0.011) (table 1).
E.g., content of PHQ-15 items 1 (stomach pain), 4 (menstrual cramps or other problems with your periods), 6 (chest pain), and 11 (pain during sexual intercourse or other sexual problems) were slightly modified to focus on pain and grouped into checklist item 13.
Specimen provision was higher among men who had recently engaged in unprotected anal intercourse which may have resulted in slightly overestimating HIV prevalence among all study participants.
Almost 85percentnt of non-virgin respondents said that same-sex friends knew they had had intercourse, with males asserting this only slightly more often than females (87percentnt cf. 82 per cent).
About half of the FSWs reported that they were usually under the influence of alcohol during sexual intercourse with their non-paying partner while slightly more than half reported that their non-paying partner was usually under the influence of alcohol during sexual intercourse.
Sexual intercourse was to be looked on as a slightly disgusting minor operation, like having an enema".
Bisexual MSM have sex with females as often as every 7.53 days, which is only slightly longer than the gap of homosexual intercourses with regular male partners (6.53 days).
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