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Original Article

Influence of age on tolerability, safety and effectiveness of subdermal contraceptive implants

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Pages 979-984 | Published online: 19 Mar 2018
 

Abstract

The use of long-acting contraceptive methods is on the rise. The aim of this study was to describe the main variables (effectiveness, tolerability, menstrual bleeding) associated with the use of subdermal contraceptive implants and to investigate the influence of age on these variables. This was a descriptive, retrospective, observational study of 221 cases of contraceptive implants inserted at a Spanish hospital between 2006 and 2015. The mean age of implant users was 31.2 ± 7.5 years. Effectiveness was 100% and good tolerability was recorded for 86.5%. Infrequent bleeding was the most common bleeding pattern, followed by amenorrhoea. Of the 221 implants inserted, 47.5% were removed. The main reasons were expiration (54.3%) and discomfort due to bleeding alterations and other adverse effects (25.7%). Nulliparity and weight gain were significantly associated with an increased probability of implant removal. This study shows that implants were highly effective, safe and well-tolerated in our population. The age of users had no influence on any of the study variables analysed.

    Impact Statement

  • What is already known on this subject? Subdermal contraceptive implants are long-acting reversible contraceptives which are both safe and effective.

  • What do the results of this study add? The age of users had no influence on any of the study variables analysed. Nulliparity and weight gain were significantly associated with an increased probability of implant removal.

  • What are the implications of these findings for clinical practice and/or further research? Subdermal contraceptive implants were a safe and effective long-acting progestin contraceptive method for women from all age groups in our series because no significant age-related differences were observed for the tolerability, vaginal bleeding patterns, the effectiveness, the adverse effects or any other variables.

Disclosure statement

The authors certify that there are no conflicts of interest to disclose.

Funding

No external funding was received for this study.

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