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|Title:||Prolonged effectiveness of Norplant® capsule implants: A 7-year study|
Mishell Jr., D.R.
|Keywords:||Accidental pregnancy rates|
Body weight and unintended pregnancy
Duration of use
Soft tubing implants
|Citation:||Sivin, I., Mishell Jr., D.R., Diaz, S., Biswas, A., Alvarez, F., Darney, P., Holma, P., Wan, L., Brache, V., Kiriwat, O., Abdalla, K., Campodonico, I., Pasquale, S., Pavez, M., Schechter, J. (2000-03). Prolonged effectiveness of Norplant® capsule implants: A 7-year study. Contraception 61 (3) : 187-194. ScholarBank@NUS Repository.|
|Abstract:||Soft tubing Norplant® contraceptive implants were studied in 1210 women for 7 years to measure the duration of effectiveness and the magnitude of the pregnancy rates over that time. Mean age at enrollment was 27.4 years. Of the enrollees, 42% were US residents. One-sixth (16.1%) weighed ≥70 kg at the time of implant placement. At the end of 5 years, the cumulative pregnancy rate was 1.1/100; at the end of 7 years, it was 1.9/100. No pregnancies occurred to any of the 400 women who enrolled in the study at age ≥30 years and who weighed|
|Appears in Collections:||Staff Publications|
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