Ectopic pregnancy with use of progestin-only injectables and contraceptive implants: A systematic review

Progestin-only contraceptive implants and injectables protect against ectopic pregnancy by being highly effective in preventing pregnancy overall. However, in the case of method failure, levonorgestrel (LNG)-containing contraceptive implants may be more likely to result in ectopic pregnancies than other methods, such as combined hormonal and barrier contraceptives. Women using LNG-containing implants, such as Jadelle or Sino-implant (II), and their providers should be aware of potential signs of ectopic pregnancy on the small chance the method should fail.