A new two-rod levonorgestrel implant for female contraception: Basic concepts

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Resumen

A two-rod contraceptive implant system, containing levonorgestrel crystals embedded in a silastic copolymer, has been developed to make insertion and removal times shorter than with the Norplant six-capsule system. The bioequivalence of the two systems has been proved by measurement of levonorgestrel serum levels during the first 3 years of use. After the first week, the serum levels are very similar for the two systems and well above the contraceptive threshold. Insertion and removal times for the two-rod system have been found to be half those required for the Norplant system, while continuation rates and clinical performance have been shown to be virtually identical.

Idioma originalInglés
Páginas (desde-hasta)9-13
Número de páginas5
PublicaciónGynecological Endocrinology
Volumen15
N.ºsup2
DOI
EstadoPublicada - 1 ene 2001
Publicado de forma externa

Áreas temáticas de ASJC Scopus

  • Endocrinología, diabetes y metabolismo
  • Endocrinología
  • Ginecología y obstetricia

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