In a prospective, double-blind, randomized, cross-over trial, the effects of oral oestradiol, 2 mg daily, on the endometrial histology, frequency and severity of vaginal bleeding, and the symptomatic and psychological status of postmenopausal women were compared with those of oral oestradiol, 2 mg daily, plus oestriol, 1 mg daily. Both therapies were prescribed for 3 months on a cyclical basis. The addition of oestriol to oestradiol did not modify the endometrial response. The prevalence of proliferative/hyperplastic endometrium (64%: 9 of 14 biopsies) was similar after both treatments and there were no significant differences in either the frequency or heaviness of vaginal bleeding. Both therapies significantly reduced hot flushes, night sweats and vaginal dryness: no significant differences in effect on the symptomatic and psychological status were recorded. The addition of 1 mg of oestriol to 2 mg of oestradiol did not confer any benefit and the value of such an addition is challenged.
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http://dx.doi.org/10.1111/j.1471-0528.1986.tb08034.x | DOI Listing |
J Nanobiotechnology
January 2025
Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, 221004, China.
Fullerenols, a water-soluble polyhydroxy derivative of fullerene, hold promise in medical and materials science due to their unique properties. However, concerns about their potential embryotoxicity remain. Using a pregnancy mouse model and metabolomics analysis, our findings reveal that fullerenols exposure during pregnancy not only significantly reduced mice placental weight and villi thickness, but also altered the classes and concentrations of metabolites in the mouse placenta.
View Article and Find Full Text PDFEnviron Epidemiol
February 2025
Department of Public Health Sciences, University of Rochester Medical Center, Rochester, New York.
Background: Sex steroid hormones are critical for maintaining pregnancy and optimal fetal development. Air pollutants are potential endocrine disruptors that may disturb sex steroidogenesis during pregnancy, potentially leading to adverse health outcomes.
Methods: In the Environmental influences on Child Health Outcomes Understanding Pregnancy Signals and Infant Development pregnancy cohort (Rochester, NY), sex steroid concentrations were collected at study visits in early-, mid-, and late-pregnancy in 299 participants.
Expert Opin Pharmacother
January 2025
Femicare vzw, Tienen, Belgium.
Introduction: Vulvovaginal atrophy (VVA) predominantly affects postmenopausal women due to hormonal decline but can also occur in premenopausal women with conditions such as primary ovarian insufficiency or exposure to anti-estrogen medications. Contributing factors include smoking and certain medical treatments. Symptoms like dyspareunia and loss of sexual function affect many women but are underreported due to stigma and lack of awareness.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
December 2024
Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China. Electronic address:
Gender identification of chick embryos at the early stages of incubation is of significant importance to poultry industry. Existing studies showed reproductive hormone concentrations are associated with gender of chick embryos. Accurate detection of reproductive hormone concentration can assist in gender identification.
View Article and Find Full Text PDFJ Ethnopharmacol
December 2024
Department of Preparation Center, Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400021, China. Electronic address:
Ethnopharmacological Relevance: Drug-induced liver injury (DILI) is an important and common adverse drug event. Rhododendron molle Flos (RMF), as one of toxic Traditional Chinese medicines (TCMs), holds a prominent position in clinical practice for treating rheumatoid arthritis. However, the toxicity of RMF limits its safe.
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