What rhymes with norplant?
ˈnɔrˌplænt, -ˌplɑntnor·plant

Norplant is a form of birth control developed by Sheldon J. Segal and Horatio B. Croxatto at the Population Council beginning in 1966, with the first clinical trial in Chile in 1974. It was first approved in Finland on November 23, 1983, where it was manufactured by Leiras Oy Pharmaceuticals. The original Norplant consisted of a set of six small silicone capsules, each filled with 36 mg of levonorgestrel implanted subdermally in the upper arm and effective for five years. The original Norplant's production has been phased out; USAID's contract ran until December 2006. The original Norplant was approved by the U.S. Food and Drug Administration on December 10, 1990, and marketed in the United States in 1991 by Wyeth Pharmaceuticals. Norplant distribution in the United States ended in 2002; limited supplies still remained in the U.S. until 2004. Norplant was withdrawn from the UK market in 1999. Norplant II, also developed by the Population Council and manufactured by Schering Oy, consists of two small silicone rods each containing 75 mg of levonorgestrel in a polymer matrix, instead of six capsules. It was approved May 31, 1996 by the FDA as being effective for three years; it was subsequently approved November 22, 2002 by the FDA as being effective for five years. Jadelle has not been marketed in the United States; Jadelle is the successor to the original Norplant in USAID's contract beginning January 2007.

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