ethinylestradiol


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Related to ethinylestradiol: Drospirenone, desogestrel, levonorgestrel, Cyproterone acetate, Gestodene

ethinylestradiol

References in periodicals archive ?
Evidences for antiosteoporotic and selective estrogen receptor modulator activity of silymarin compared with ethinylestradiol in ovariectomized rats.
Superior cycle control with a contraceptive vaginal ring compared with an oral contraceptive containing 30 microg ethinylestradiol and 150 microg levonorgestrel: a randomized trial.
Comparison of ethinylestradiol and nonylphenol effects on reproduction of Chinese rare minnows (Gobiocypris rarus).
For example, both species were responsive to ethinylestradiol and methoxychlor, which are known to activate ER-mediated pathways, although estrogenic activity in fish was manifested as induction of vitellogenin and in rats as changes to relative weights of estrogenresponsive tissues (uterotrophic and female pubertal assays).
HSI increased at all exposure concentrations similar to a dose-dependant increase in fish injected with ethinylestradiol (Verslyke et al.
Recent tests have shown that it also breaks down estradioil a natural form of the female hormone estrogen, as well as ethinylestradiol, a synthetic version that is used in contraceptives.
When researchers added low concentrations of ethinylestradiol to a Northern Ontario lake, for instance, male fathead minnows were feminized and egg formation in females was altered, leading to near-extinction of the species in that lake.
In an analysis of specific pill formulations among women in the migraine group, the only significant association found was between decreased headache intensity or frequency and the combination of ethinylestradiol and drospirenone (34.
223) In 2000, twenty-two years after the first issued patent on drospirenone, Bayer filed a patent claiming a micronized formulation of the combination drospirenone and ethinylestradiol.
El-Sayed, 1985, "Determination of Ethinylestradiol in the presence of Norethisterone by Derivative-Difference Spectrophotometry," Pharmaceutical Weekblad.
Results showed that the low hyperforin extract neither caused breakthrough bleeding nor altered the pharmacokinetics of ethinylestradiol in the subjects.