FDA ruling allowing sale of emergency contraceptive to women 18 and older ends contentious approval process. More than four out of five women who participated in the studies had the implants for two years or longer, suggesting that they were satisfied with the birth control method. Exactly one year ago, the FDA approved Implanon, a matchstick-sized implant that delivers a steady dose of the hormone progestin to prevent pregnancy for up to three years. The single-rod delivery system for Implanon is designed to minimize the risk of the removal problems that plagued the first implantable contraceptive to become available in North America, Wyeth Pharmaceutical’s Norplant. Wyeth also market’s a two-rod implantable contraceptive outside the U. The newly published research review, conducted for the independent, health practices analysis group Cochrane Collaboration, found all three implantable contraceptives to be very effective for preventing pregnancy, but there were some differences between them. read more
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