Results 81 to 90 of about 1,822 (206)

Anticonceptivos orales de sólo progestina

open access: yesRevista Colombiana de Obstetricia y Ginecología, 2016
Si bien están disponibles desde hace muchos años los anticonceptivos orales de sólo progestina o minipíldora, son pocos conocidos y menos prescritos o recomendados que los anticonceptivos orales combinados.
Alvaro Monterrosa
doaj  

Genetic effect of norgestrel treatment and X-irradiation on drosophila melanogaster

open access: yes, 1969
의학과/박사[한글] [영문] Since Auerbach and Robson (1946) reported for the first time that mustard gas has a mutagenic activity as well as ionizing radiation (Muller, 1927), a number of chemical compounds have also been shown to be mutagenic in many ...
안재영
core  

Immunomodulatory effects of progesterone on TLR3 and TLR4 mediated signalling in macrophages and dendritic cells [PDF]

open access: yes, 2013
Sexual dimorphism in the immune response is at least in part related to the effects of sex hormones. The current studies investigate the ability of progesterone to manipulate signalling events in macrophages and dendritic cells following TLR3 or TLR4 ...
Kreem, Shrook Abdulla
core   +2 more sources

Masculinización de Xiphophorus helleri (Pisces: Poecilidae) inducida por los esteroides norgestrel y androstenediona

open access: yes, 2017
The masculinization efficiency of the steroids norgestrl and androstenedione (19-NAD) on 5 day old Xiphophorus helleri juveniles was analyzed. Fish were treated at doses of 30 and 50 mg of steroid per kg of food, during 60 days period.
Maya Peña, E.   +2 more
core  

17-alpha-ethinylestradiol and norgestrel in combination induce micronucleus increases and aneuploidy in human lymphocyte and fibroblast cultures

open access: yes, 2000
Oral contraceptives are highly efficient and easily administered drugs; however, it must not be forgotten that they are composed of chemical substances which can be classified as potential carcinogens. Testing of a substance for genotoxicity represents
FANELLI, Margherita   +4 more
core   +1 more source

Efecto del D-Norgestrel postcoital sobre el pH intrauterino

open access: yes, 1973
This study is part of a research program aimed at clarifying the mechanism of contraceptive action of d-Norgestrel on postcoital administration. We have studied the intrauterine fluid pH of a control group consisting of normal women without treatment ...
Kesseru, Esteban
core  

Reproductive effects of synthetic progestin norgestrel in zebrafish (Danio rerio)

open access: yes, 2018
The aim of this study was to assess the adverse effects of synthetic progestin norgestrel (NGT) on the reproduction of zebrafish by measuring the egg production, histology and transcriptional expression profiles along the hypothalamic-pituitary-gonadal ...
Lai-Yuan Zhong   +13 more
core   +1 more source

Opill (norgestrel): Where does the OTC birth control pill fit in among existing contraception?

open access: yes
Oral contraceptive pills have been a cornerstone of contraception for more than 6 decades. Oral contraceptives are highly effective in preventing unintended pregnancy, making them the most utilized reversible contraceptive method.
Bohensky, Jolene, Daher, Nicole
core   +1 more source

Evaluation of consumer self-selection of a proposed over-the-counter, progestin-only daily oral contraceptive [PDF]

open access: yes
Objectives: In an effort to switch a norgestrel 0.075 mg progestin-only pill (Opill) from prescription to over-the-counter, we conducted this study to assess whether consumers can use the drug facts label alone to guide appropriate self-selection.
Bradford, Russell   +6 more
core   +1 more source

Role of the levonorgestrel intrauterine system in effective contraception

open access: yesPatient Preference and Adherence, 2013
Abdelhamid M Attia,1 Magdy M Ibrahim,1 Ahmed M Abou-Setta21Department of Obstetrics and Gynecology, Cairo University, Cairo, Egypt; 2George and Fay Yee Centre for Healthcare Innovation, University of Manitoba/Winnipeg Regional Health Authority, Winnipeg,
Attia AM, Ibrahim MM, Abou-Setta AM
doaj  

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