Eight healthy women had a d-norgestrel-releasing intrauterine device inserted
postmenstrually and maintained in the uterine cavity for a one year period. Plasma …

Clinical experience with seventy-two first insertions of a d-norgestrel-releasing IUD is
reported. Plasma d-norgestrel concentrations were measured in twelve subjects. No …

A d-norgestrel-releasing IUD was introduced into the uterine cavity of-18 healthy women.
The carrier material for d-norgestrel was silastic® attached to the vertical arm of a Nova-T …

Peripheral plasma levels of progesterone, estradiol and d-norgestrel were determined by
radioimmunoassay in five women using silastic intravaginal rings (IVR), homogenously …

Steady release of d-norgestrel from an IUD was achieved with a plain Tatum-T-device, the
carrier material being sleeves of silastic R. The device was tested in six healthy women, and …

The recovery of ovarian function after discontinuation of the use of three different d-
norgestrel-releasing IUDs was studied by determination of plasma concentrations of …

A radioimmunoassay (RIA) method for measuring d-Norgestrel (d-Ng) in serum has been
developed utilizing petroleum ether extraction, an antiserum raised against d-Norgestrel3-(O …

Peripheral plasma levels of d-norgestrel were determined by radioimmunoassay in five
women after oral administration of 30, 250 and 1000 μg d-norgestrel. Peak levels of d …

A d-norgestrel slow-releasing T device was tried as an IUD in 100 fertile multiparous women
for 6 months. The preliminary results were very encouraging. Not a single case of …

Silicone polymer intravaginal rings (IVR) of a new “shell” design were used in the present
study. The steroid containing part of the rings was impregnated with different amounts of dl …