However, the average age of first sexual relation is still too low, while unplanned pregnancies and STIs remain high [ 10- 13].
They were also asked to indicate whether they had ever had sexual relations and whether they used a condom in their first sexual relation.
Most of the parturient women had their first sexual relation when they were less than 15 years of age and all women with positive VDRL initiated their sexual activities when they were 19 or younger.
Another limitation was the lack of information about age at first sexual relation, use of contraceptive methods, number of partners, religion, and whether or not the pregnancy had been planned.
Although efficiency of sexual transmission of HCV appears to be relatively low, the dose-response relationships observed between prevalence of anti-HCV and age at first sexual relation and number of lifetime sexual partners is in agreement with other studies [ 2, 11, 17].
Surveys among unmarried youth aged 14 25 in 42 provinces in 2003 showed that 15% of males and 2.5% of females had engaged in pre-marital sexual relations and that the average age at first sexual intercourse was 19.
Contrary to some assumptions by more permissive commentators, Dutch sex education emphasises the seriousness of sex in relation to consent, the significance of first sexual intercourse and crucially, potential pregnancy.
As with any other cross-sectional design, there is a risk of reporting bias, particularly in relation to variables that address aspects of sexual behavior, such as "age at first sexual intercourse," "lifetime number of sexual partners," and "partner's circumcision status".
The drama of the shipboard seduction collapses amid a deconstruction of when and where Onassis and Callas first had sexual relations.
