In order to correlate plasma and milk concentrations of d-norgestrel (d-Ng) in lactating
women, three oral contraceptives, containing different amounts of this synthetic gestagen …

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 …

Three formulations of dl-norgestrel were administered daily to groups of three women for five
consecutive days. The serum levels of d-norgestrel were related to the dosage of dl …

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 …

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

To investigate the concentration of d-Norgestrel (d-Ng) in plasma when d-Ng is administered
to women with physiologically high concentration of Sex Hormone Binding Globulin (SHBG) …

Hormonal contraceptives have been used in breast feeding women by many clinicians.
However, secretion of these drugs in the breast milk has not been adequately investigated …

Levels of norethisterone and medroxyprogesterone acetate were measured in serum and
milk of women receiving the injectable contraceptive formulations Norigest and …

Women of childbearing potential were given single 1.5 mg oral doses of 14C-dl-, d-or l-
norgestrel (Ng). Blood specimens were obtained at selected time intervals. Drug related …

The effects of postcoital d-norgestrel, in an oral dose of 400 mcg were studied in healthy,
fertile women who had normal ovulatory menstrual cycles. Plasma LH showed alteration …