Cohort study to evaluate efficacy safety and acceptability of a two-rod contraceptive implant during third fourth and fifth year of product use in China

摘要

Sino-implant (II) is a contraceptive implant approved for 4 years of use in China. We evaluated the contraceptive efficacy during the third, fourth and fifth year, and assessed additional pharmacokinetics (PK), safety, and acceptability endpoints.