Sentence examples for duration of contraceptive from inspiring English sources

Duration of contraceptive measures.

They use Implanon and Jadelle brands as well, aiming to meet client preferences regarding the duration of contraceptive protection.

We defined duration of contraceptive use as the time interval (in months) from the first use of an oral contraceptive within the current episode (at the index date) to the index date or as unknown.

We evaluated duration of contraceptive use before the index date, switching from a different hormonal contraceptive, obesity (if the record contained an ICD code for obesity), other comorbidities, and number of visits to a physician or emergency room in the six months before the index date as potential confounders.

For example, a Taiwan analysis showed a considerable rise in the duration of contraceptive use when family planning programs began offering multiple methods, estimating that the addition of one method would increase total contraceptive use by about 12 percentage points (from 30%to42%2%).

Young women taking oral contraceptives containing drospirenone were more likely to have a shorter duration of oral contraceptive use than were young women taking oral contraceptives containing levonorgestrel; however, when we adjusted for duration in the analysis, the conditional odds ratio increased to 4.0 (2.1 to 7.7) in the younger age stratum.

The multivariate risk estimates did not change substantially when oral contraceptive use (ever/never) was replaced by duration of oral contraceptive use (data not shown).

The stratification variable was included as a covariate in these models, except that the duration of oral contraceptive use was included as a covariate in analyses of ever oral contraceptive users.

Increasing duration of oral contraceptive use was associated with a progressive reduction in risk; women who used oral contraceptives for 10 or more years had a 45% (HR, 0.55; 95% CI, 0.41 0.75) lower risk compared with users of 1 year or less, which corresponded to a 13% (HR, 0.87; 95% CI, 0.82 0.93) lower risk per 5 years of use (P-trend, <0.01).

There was no association between age at first use of oral contraceptives and risk of ovarian cancer (Table 2), either before or after adjusting for duration of oral contraceptive use (data not shown).

We found no relation between melanoma incidence and duration of oral contraceptive use, age began, year of use, years since first use or last use, or specifically current oral contraceptive use.