Results 21 to 30 of about 1,692 (132)

Colorimetric Analysis of Norethindrone, Norethindrone Acetate, and Norgestrel in Oral Contraceptives [PDF]

open access: yesJournal of AOAC INTERNATIONAL, 1970
Abstract A colorimetric method, based on reaction with blue tetrazolium, has been devised for the analysis of norethindrone, norethindrone acetate, and norgestrel. The technique is selective for these progestins, showing no interference from the estrogens ethinyl estradiol and mestranol, commonly found in oral contraceptives.
Robert V. Smith   +2 more
openaire   +1 more source

Evaluation of the effect of aromatase inhibitor in reducing the size of endometrioma [PDF]

open access: yes, 2021
Background: Endometriosis is a chronic and progressive estrogen-dependent disorder that can result in substantial morbidity, including pelvic pain, multiple operations, and infertility.
Afrin, Shajia   +8 more
core   +2 more sources

Thyroid Disease in Pregnancy [PDF]

open access: yes, 2022
Author's accepted version (postprint).This is an Accepted Manuscript of a book chapter published by Springer on 22/06/2022.Available online: https://link.springer.com/chapter/10.1007/978-3-030-98777 ...
Behboudi-Gandevani, Samira
core   +1 more source

Carbon isotopic (C-13 and C-14) composition of synthetic estrogens and progestogens [PDF]

open access: yes, 2012
RATIONALE: Steroids are potent hormones that are found in many environments. Yet, contributions from synthetic and endogenous sources are largely uncharacterized.
Aelion   +55 more
core   +2 more sources

Nestorone® as a Novel Progestin for Nonoral Contraception:Structure-Activity Relationships and Brain Metabolism Studies [PDF]

open access: yes, 2017
Nestorone® (NES) is a highly potent non-androgenic progestin being developed for contraception. NES is a synthetic progestin that may possess neuroprotective and myelin regenerative potential as an added health benefits.
Alanah R. Knibb   +51 more
core   +2 more sources

Progestins Related to Progesterone and Testosterone Elicit Divergent Human Endometrial Transcriptomes and Biofunctions. [PDF]

open access: yes, 2020
Progestins are widely used for the treatment of gynecologic disorders and alone, or combined with an estrogen, are used as contraceptives. While their potencies, efficacies and side effects vary due to differences in structures, doses and routes of ...
Balayan, Shayna   +8 more
core   +1 more source

Current understanding on pharmacokinetics, clinical efficacy and safety of progestins for treating pain associated to endometriosis [PDF]

open access: yes, 2018
Introduction: Endometriosis is a chronic estrogen and progestogen responsive inflammatory disease associated with pain symptoms and infertility. The medical therapy of endometriosis aims to induce decidualization within the hormonally dependent ectopic ...
Barra, Fabio   +2 more
core   +1 more source

Hormonal content and potency of oral contraceptives and breast cancer risk among young women [PDF]

open access: yes, 2003
A small study of women with early-onset breast cancer published in 1983 initially sparked the debate about combination oral contraceptives and breast cancer by suggesting that a woman's risk of breast cancer increased if she used oral contraceptives ...
Althuis, M D   +7 more
core   +3 more sources

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