Three solid polydimethylsiloxane (Silastic®) rods containing levonorgestrel were inserted
into the subcutaneous tissue of the volar aspect of the forearm of 8 women. Serum samples …

Levonorgestrel and progesterone plasma levels were measured in women bearing
levonorgestrel subdermal implants. Two groups using four or six levonorgestrel covered …

Six dimethyl polysiloxane (Silastic R) 2 capsules, each containing 33.9 mg d-norgestrel,
were implanted subcutaneously into the forearm of 12 women with regular menstrual cycles …

Previous clinical experience with six levonorgestrel subdermal capsules showed a very
good contraceptive effectiveness and continuation rate, but with a high proportion of …

Subcutaneously placed Silastic capsules containing levonorgestrel are effective for 5 years
and have a higher continuation rate than other methods of reversible contraception. Six 3 cm …

Six Silastic capsules each containing 30 mg of levonorgestrel were inserted subcutaneously
in the left forearms of 13 volunteer women for contraceptive purposes. Quantitative …

Plasma concentrations of levonorgestrel were determined in women using subdermal
levonorgestrel implants. One group had 6 Silastic® capsules†(NORPLANT), one group had …

Two methods for release of levonorgestrel from polydimethylsiloxane (SilasticR) subdermal
implants for contraception were studied. The first system consists of six 3 cm long SilasticR …

Three forms of subdermal implants containing levonorgestrel are described. These are:
capsules, in which the powdered drug is sealed inside of lengths of Medical Grade Silastic …

Dimethylpolysiloxane homogenously impregnated with d-norgestrel, forming rods
containing 40 mg d-norgestrel, was placed subcutaneously in the gluteal region. One such …