Sentence examples for age of first intercourse from inspiring English sources
The phrase "age of first intercourse" is correct and usable in written English
It can be used in discussions related to sexual health, education, or research studies focusing on sexual behavior. Example: "The study aimed to analyze the age of first intercourse among adolescents in various regions."
The age of first intercourse is also delayed relative to the UK.
The age of first intercourse is rising, and the number of sexual partners taken each year is falling.
The average age of first intercourse in the United States is about 17 for both boys and girls, according to the Kinsey Institute.
Scientists followed middle school children enrolled in four separate abstinence programs for about five years, and found no difference in the age of first intercourse between them and their peers.
The association between age of first intercourse and invasive cancer cannot be ignored.
Age of first intercourse ranged from 13 to 46 years (mean = 23.8, SD = 4.4).
In the light of the increasing prevalence of HPV and sexually transmitted infections in young women due to younger ages of first intercourse (http://www.rivm.nl), the decrease in ACIS incidence is rather surprising and contrasts with the increasing incidence of other HPV-related lesions like vulvar intraepithelial neoplasia (Jones et al, 1997; Iversen and Tretli, 1998; Joura et al, 2000).
Prevalence of multi-type HPV infections varied across age groups of first intercourse (p = .030) but no specific trend could be confirmed (p-value for trend = .159).159
Previous studies have shown that children who live with both biological parents are less likely to be sexually active than those from one-parent homes, that increased maternal education is associated with later age of adolescent first intercourse, and that as socio-economic status decreases, rates of sexual activity tend to increase [ 22].
Those who reported a history of sexual intercourse responded to further questions, including the age of first sexual intercourse, age of first partner, condom use at the first sexual encounter, number of lifetime sexual partners, and partners in the last twelve months.
Those who reported a history of sexual intercourse responded to further questions, including the age of first sexual intercourse, condom use at the first sexual encounter, age of the partner, number of lifetime sexual partners, and sexual activity in the previous 12 months.
