Safety and efficacy of the subdermal etonogestrel contraceptive implant Implanon®

Abstract

A prospective study in this journal issue compares the effects on maternal bone turnover during lactation of subdermal implant compared with copper intrauterine device (IUD) use.1 It is interesting because publications about the influence of hormonal contraceptives on the health of the lactating woman herself are rare. This study’s advantage is that bone mineral density mostly is measured using dual-energy X-ray absorptiometry or a similar modality, rather than relying on biochemical analyses of serum and urine samples.1 Its …