Why was Norplant (the contraceptive implant) discontinued?!
Question: It was initially stopped because a few lots tested at the lower end of activity and were possibly ineffective. They determined that they were in fact effective but made the following statement:
From and FDA release:
"Wyeth also said that, due to limitations in component supplies, the company would no longer distribute the six-implant system. Patients are also being advised that after the five-year expiration date of their Norplant system, those who want to continue using contraceptives will need to consider other contraceptive options."
Answers: It was initially stopped because a few lots tested at the lower end of activity and were possibly ineffective. They determined that they were in fact effective but made the following statement:
From and FDA release:
"Wyeth also said that, due to limitations in component supplies, the company would no longer distribute the six-implant system. Patients are also being advised that after the five-year expiration date of their Norplant system, those who want to continue using contraceptives will need to consider other contraceptive options."