Results 21 to 30 of about 82,039 (299)

No Evidence for a Role of Oral Contraceptive-Use in Emotion Recognition But Higher Negativity Bias in Early Follicular Women

open access: yesFrontiers in Behavioral Neuroscience, 2022
Accuracy in facial emotion recognition has shown to vary with ovarian hormones, both in naturally cycling women, as well as in women taking oral contraceptives.
Ann-Christin Sophie Kimmig   +9 more
doaj   +1 more source

Experimental studies on hepatocarcinogenesis by oral contraceptives, synthetic estrogen and progestogen, with special reference to the hormone dependency of the developed hepatocellular carcinoma

open access: yesKanzo, 1986
経口避妊薬の肝発癌性,並びに発生した肝腫瘍のホルモン依存性を検索する目的で以下の研究を行った.生後4週齢のWistar/JCL雌ラットに硬性胃ゾンデを用いて毎日強制的に1年間にわたり下記の薬剤を1日1回投与した.I群:ethinylestradiol 0.075mg+norethindrone acetate 6mg in 0.5ml olive oil, II群:I群の倍量.III群・IV群:I群及びII群の対照としてolive oilのみをそれぞれ0.5mlまたは1.0ml.薬剤投与終了の時点で,対照としたIII群及びIV群では全く腫瘍の発生を認めなかったが,I群:38匹中6匹(15.8%),II群:27匹中6匹(22.2%)に高分化型肝細胞癌の発生を認めた.ついでホルモンの投与を中止したところ,
S. Uehara
semanticscholar   +3 more sources

Impact of estrogen population pharmacokinetics on a QSP model of mammary stem cell differentiation into myoepithelial cells

open access: yesAIMS Mathematics, 2021
Stem cell differentiation cascades are critical components of healthy tissue maintenance. Dysregulation in these systems can lead to serious diseases, including cancer.
Justin Le Sauteur-Robitaille   +2 more
doaj   +1 more source

Rising trends towards the development of oral herbal male contraceptive: an insight review

open access: yesFuture Journal of Pharmaceutical Sciences, 2021
Background Acknowledging population control to be an essential step for global health promotes wide research study in the area of male contraception. Although there are a great number of synthetic contraceptives available in the market, they have plenty ...
Surender Verma, Akash Yadav
doaj   +1 more source

The role of hormone therapy before hysteroscopic myomectomy

open access: yesClinical and Experimental Obstetrics & Gynecology, 2021
Objective: This review analyzes the preoperative treatments used before hysteroscopic myomectomy, trying to identify the main indications for each option.
Antonio Simone Laganà   +8 more
doaj   +1 more source

The Impact of Progesterone and Estrogen on the Tooth Mobility

open access: yesMedicina, 2023
Background and Objectives: Progesterone and estrogen modify the bone metabolism directly related to the periodontium, this study aimed at answering the question whether fluctuations in the levels of these hormones or the use of their synthetic ...
Małgorzata Peruga   +2 more
doaj   +1 more source

Do hormonal contraceptives stimulate growth of neurofibromas? A survey on 59 NF1 patients

open access: yesBMC Cancer, 2005
Background Neurofibromas are benign tumors of the peripheral nerves and hallmark of neurofibromatosis type 1 (NF1), a tumor suppressor gene syndrome. Neurofibromas mostly start developing at puberty and can increase in size and number during pregnancy ...
Mautner Victor-Felix   +2 more
doaj   +1 more source

Ovarian function during hormonal contraception assessed by endocrine and sonographic markers: a systematic review [PDF]

open access: yes, 2016
This systematic review focuses on the literature evidence for residual ovarian function during treatment with hormonal contraceptives. We reviewed all papers which assessed residual ovarian activity during hormonal contraceptive use, using endocrine ...
Bastianelli, Carlo   +5 more
core   +1 more source

Preliminary evidence of increased alcohol use associated with ethinyl estradiol levels in women using oral contraceptives

open access: yesDrug and Alcohol Dependence Reports, 2023
Alcohol use is highly prevalent in young adult women and rates of alcohol use disorder are rising rapidly in this population. Further, emerging evidence suggests that circulating levels of ovarian hormones influence alcohol consumption, with increased ...
Ashley M. Strzelecki   +3 more
doaj   +1 more source

Insights into the Behavior of Triple-Negative MDA-MB-231 Breast Carcinoma Cells Following the Treatment with 17β-Ethinylestradiol and Levonorgestrel

open access: yesMolecules, 2021
Oral contraceptives (OCs) are widely used due to their efficiency in preventing unplanned pregnancies and treating several human illnesses. Despite their medical value, the toxicity of OCs remains a public concern.
Sebastian Simu   +8 more
doaj   +1 more source

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