… first sex on the relationship between age at first intercourse and contraceptive use gaps, we
… years of age on contraceptive use may persist beyond adolescence. Contraceptive use is an …

… contraceptive use. Because our primary interest in this work was the impact of age at first
sex on time to contraceptive … sex early, and would likely increase contraceptive use among …

… When teens have parents with low levels of education and income, they are more likely
to engage in sex at an earlier age, to fail to use contraception consistently, and to become …

… and not for contraceptive purposes. … of early ovarian ageing (irregularity of cycles). These
women were expected to enter menopause at an earlier age than women without signs of early …

… decades earlier and different as well from their contraceptive profiles observed just six years
… key factors such as age, marital status, and education? We introduce age and marital status …

… It has been suggested that the risk of breast cancer is increased by oral contraceptive
use before the first birth, or by use before age 25, particularly if certain formulations are used. …

… In light of the social consequences of early childbearing, … activity, contraceptive use, and
condom use. It explores … Although adolescence is defined in this study as the 10-19 age group, …

… No additional increased risk was found for early age at start of oral contraceptive use, use
before age 20 or before first pregnancy, time since first use, time since last use, or particular …

… find that an early age at menarche among females is associated with greater odds of sex
and reduced odds of contraceptive use, supporting other research linking early maturity to early …

… for the discrepancies between our results and those of the CASH Study and the New
Zealand study is the higher rate of OC use among women at an early age in southern Sweden. …