Results 141 to 150 of about 1,822 (206)
Contraception, 2022 ObjectiveTo evaluate the cervical mucus effects of a norgestrel 0.075 mg progestin-only contraceptive pill over a 28-day cycle.Study designWe recruited persons ages 18 to 35 with normal cycles at 2 US academic medical centers.
Alison Edelman +2 more
exaly +2 more sources
Alterations of secondary sex characteristics, reproductive histology and behaviors by norgestrel in the western mosquitofish ( Gambusia affinis ) [PDF]
Aquatic Toxicology, 2018 Synthetic hormones in wastewater effluents released into the aquatic environments may interfere with the normal endocrine systems of fish in receiving streams.
Daniel Schlenk +2 more
exaly +2 more sources
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Contraception, 1980
An improved long-acting Norgestrel-T contraceptive device has been developed. The effects of different release levels of levonorgestrel on the endometrium were studied in a selected group of 42 subjects. A randomized comparative study of the clinical performance of Cu-T 200 and Ng-T devices was undertaken in 200 fertile women for 15 months ...
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An improved long-acting Norgestrel-T contraceptive device has been developed. The effects of different release levels of levonorgestrel on the endometrium were studied in a selected group of 42 subjects. A randomized comparative study of the clinical performance of Cu-T 200 and Ng-T devices was undertaken in 200 fertile women for 15 months ...
openaire +2 more sources
On the validity of a levo-norgestrel radioimmunoassay
Clinica Chimica Acta, 1981The validity of a levo-norgestrel (L-NOG) radioimmunoassay in human plasma was assessed using a test of radiochemical purity. Extraction with diethyl ether followed by chromatography on celite gave an L-NOG peak of constant specific activity, indicating the radiochemical purity of this compound.
T, Kanluan, B, Masironi, S Z, Cekan
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Angewandte Chemie International Edition in English, 1975
A new synthesis of d-norgestrel (17alpha-ethynyl-18-methyl-19-nortestosterone) by ethynylation is presented. The regioselective sulfonylmethylation of optically active 7a beta-ethyl-6H-77a-dihydroindan-15-dione opens the possibility of a new technically simpler synthesis. Reaction of the (+)-enedione with pa raformaldehyde and benzenesulfinic acid in
G, Sauer +4 more
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A new synthesis of d-norgestrel (17alpha-ethynyl-18-methyl-19-nortestosterone) by ethynylation is presented. The regioselective sulfonylmethylation of optically active 7a beta-ethyl-6H-77a-dihydroindan-15-dione opens the possibility of a new technically simpler synthesis. Reaction of the (+)-enedione with pa raformaldehyde and benzenesulfinic acid in
G, Sauer +4 more
openaire +2 more sources
Contraception, 1976
Abstract 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 plasma concentrations of d-norgestrel, estradiol and progesterone were determined for periods of 112–114 days. The values found corresponded to a daily release
C G, Nilsson +2 more
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Abstract 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 plasma concentrations of d-norgestrel, estradiol and progesterone were determined for periods of 112–114 days. The values found corresponded to a daily release
C G, Nilsson +2 more
openaire +2 more sources