Sentence examples for at first intercourse from inspiring English sources

All predictors were measured in Grade 8 and age at first intercourse was assessed yearly for three years.

One theory involves differences in the patterns of sexual activity, including number of sexual partners, age at first intercourse and frequency of sexual contact with prostitutes.

Most of the increase came from the growing use of a male condom, used by 72 percent of women at first intercourse compared with 34 percent before 1985.

The teenage rate of sexual intercourse will stay the same and contraceptive use at first intercourse will continue to rise.

Importantly, early menarche predicts a younger age at first intercourse [15], [76] [80], first pregnancy and birth of first child [79] [81].

Other questions included age at first intercourse, and information on characteristics of the first sex partner, and age at first marriage.

Young age at first intercourse was associated with decreased HPV prevalence (P for trend = 0.006).

Age at sexual debut is typically measured as age at first intercourse.

The average age at first intercourse was 18.6 ± 2.7 years, almost identical in both groups.

The gender gap between young males and females in age at first intercourse has virtually disappeared.

Adjusting for age at first intercourse did not appreciably alter these findings.