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The hormonal profile in women using combined monophasic oral contraceptive pills varies across the pill cycle: a temporal analysis of serum endogenous and exogenous hormones using liquid chromatography with tandem mass spectroscopy.

Am J Physiol Endocrinol Metab
Rodriguez LA, Casey E, Crossley E, Williams N, Dhaher YY.   +4 more
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Plasma levels of norethindrone after I.M. injection of 200 mg norethindrone enanthate

Contraception, 1975
Abstract The plasma levels of norethindrone were measured with a radioimmunoassay after an intramuscular injection of 200 mg of norethindrone enanthate in five healthy women. After an initial peak of norethindrone between 8–14.5 ng/ml, a gradual decline followed. The concentration of 1 ng/ml was reached after approximately 45 days. The plasma pattern
E, Weiner, E D, Johansson
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PLASMA LEVELS OF NORETHINDRONE AFTER SINGLE ORAL DOSE ADMINISTRATION OF NORETHINDRONE AND LYNESTRENOL

Clinical Endocrinology, 1979
SUMMARYSingle oral doses of 0.3 mg, 0.5 mg and 5 mg Norethindrone (NET) and 0.5 mg and 5 mg Lynestrenol (lyn) were given to five women. Lynestrenol is probably metabolized through NET and exerts its main biological activity as NET. Plasma concentrations of NET were determined by a radioimmunoassay at different intervals after administration of the ...
V, Odlind, E, Weiner, A, Victor, E D, Johansson   +3 more
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Norethindrone in Serum After use of an oral Contraceptive Containing Norethindrone Acetate

Acta Obstetricia et Gynecologica Scandinavica, 1983
Abstract. The availability of norethindrone (NET) in serum was studied in 8 women after daily administration of a combination oral contraceptive pill (MinovlarR) containing 1 mg norethindrone acetate (NETA) and 50 μg ethinyl estradiol (EE2) from day 5 to day 25 of the menstrual cycle. The pill was taken daily at 9.30 a.m.
N N, Sarkar, V, Laumas, N, Agarwal, V, Hingorani, K R, Laumas   +4 more
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Pharmacokinetics of norethindrone acetate in women

American Journal of Obstetrics and Gynecology, 1979
The plasma half-life, MCR and plasma metabolite levels at various time intervals have been studied in six women after an intravenous injection of 3H-norethindrone acetate. The disappearance curve due to norethindrone acetate showed an initial rapid disappearance of 3H with an average half-life of 7.5 minutes and a subsequent slow disapperance with a ...
H, Singh, J P, Uniyal, P, Jha, K, Murugesan, D, Takkar, V, Hingorani, K R, Laumas   +6 more
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Radioimmunoassay of norethindrone: Serum levels of norethindrone in lactating women after insertion of a single silastic implant releasing norethindrone acetate

Contraception, 1978
A specific radioimmunoassay was developed for the estimation of norethindrone levels in the serum of lactating women. A conjugate of norethindrone-3-BSA was synthesized and antiserum raised against it in rabbits. The antiserum showed high affinity (1.5 x 10(9)M/L) and titer and was specific. The sensitivity of the assay was 125 pg/ml serum.
V, Laumas, B K, Malik, K, Jamal, U, Seth, N, Agarwal, V, Hingorani, K R, Laumas   +6 more
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Pharmacokinetics of norethindrone in Indian women

Contraception, 1979
Pharmacokinetics of norethindrone (NET) was evaluated in eleven women belonging to a low socio-economic group and in five womem belonging to the high socio-economic group after the administration of an oral dose of 0.35 mg NET minipill on an empty stomach. Blood samples were collected at different intervals of time over a period of 24 hours. Plasma NET
K V, Prasad, B S, Rao, B, Sivakumar, K, Prema   +3 more
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