Results 91 to 100 of about 23,603 (217)

Induced abortion, miscarriage, and the risk of breast cancer—A registry‐based study from Finland

Acta Obstetricia et Gynecologica Scandinavica, Volume 105, Issue 4, Page 596-603, April 2026.
The history of induced abortion or miscarriage is not associated with an increased risk of either pre‐ or postmenopausal breast cancer. Abstract Introduction The potential effect of induced abortion and miscarriage on the risk of breast cancer has remained debated and has been a persistent source of misinformation. Many previous studies have been small
Sushmita Katuwal, Jaana Männistö, Maarit Niinimäki, Eero Pukkala, Oskari Heikinheimo   +4 more
wiley   +1 more source

Determination of ethinyl estradiol and levonorgestrel in human plasma with prednisone as internal standard using ultra-performance liquid chromatography–tandem mass spectrometry

Journal of Pharmacy and Bioallied Sciences, 2019
Objective: Ethinyl estradiol and levonorgestrel as a combination of oral contraceptive drugs have very low dosage levels; hence, a highly sensitive and selective method of using ultra-performance liquid chromatography–tandem mass spectrometry (UPLC-MS/MS)
Yahdiana Harahap, Devina Devina, Harmita Harmita   +2 more
doaj   +1 more source

Will the world decrease births or increase deaths?—A review of ‘Reproductive Medicine’--E. Coutinho & P. Spinola Eds. 366p (1999) [PDF]

, 2016
I review this report of an old medical congress on reproductive medicine. Much has happened in the 17 years since its publication but the most urgent task of preventing further population growth has largely failed on a global scale. I try to bring it up
Starks, Michael
core  

The progestin levonorgestrel affects sex differentiation in zebrafish at environmentally relevant concentrations [PDF]

, 2015
Synthetic progestins have become widespread environmental contaminants and may cause adverse effects on fish. In the present study, we investigated the effects of levonorgestrel (LNG) on sex differentiation in zebrafish (Danio rerio).
Guo, Yongyong, Han, Jian, Hua, Jianghuan, Zhou, Bingsheng   +3 more
core   +1 more source

A concept for a new approach to combined oral contraception from adolescence to perimenopause: Continuous use of the oral GnRH antagonist Relugolix and the fetal estrogen Estetrol

Acta Obstetricia et Gynecologica Scandinavica, Volume 105, Issue 4, Page 568-574, April 2026.
It is expected that the relugolix estetrol combination RE4W will enable women to control their fertility and prevent menstrual cycle related problems, while offering a smooth transition through perimenopause into the postmenopause and decrease the risk of breast cancer.
Herjan J. T. Coelingh Bennink, Karolina Afors, Luis Bahamondes, Alessandra Graziottin, Deborah Bateson, Teresa Bombas, Yutaki Osuga, Santiago Palacios, Carolyn L. Westhoff, Kristina Gemzell‐Danielsson   +9 more
wiley   +1 more source

Hormonal profiles of eumenorrheic women compared to hormonal intrauterine device users

Physiological Reports, Volume 14, Issue 7, April 2026.
Abstract The hormonal intrauterine device (hIUD) induces local changes to reproductive biology (e.g., uterus, endometrium) and has some systemic physiological effects (e.g., hormones, mood, etc.). However, the systemic hormonal changes observed in women with eumenorrheic (EUM) cycles have not been thoroughly investigated in hIUD users.
Brooklyn M. Wiggins, Aarzo Karimi, Patricia K. Doyle‐Baker, Saied Jalal Aboodarda   +3 more
wiley   +1 more source

Emergency Contraception Counseling in California Community Pharmacies: A Mystery Caller Study

Pharmacy, 2019
This study was conducted to determine which emergency contraception (EC) methods are offered by community pharmacists in response to patient calls. Female mystery callers called all community pharmacies in two California cities using standardized scripts.
Lindsay Ditmars, Sally Rafie, Gellan Kashou, Kelly Cleland, Lisa Bayer, Tracey A. Wilkinson   +5 more
doaj   +1 more source

New approaches for estimating risk from exposure to diethylstilbestrol. [PDF]

, 1999
A subgroup from a National Institute of Environmental Health Sciences, workshop concerned with characterizing the effects of endocrine disruptors on human health at environmental exposure levels considered the question, If diethylstilbestrol (DES) were ...
Cunha, GR, Forsberg, JG, Golden, R, Haney, A, Iguchi, T, Newbold, R, Swan, S, Welshons, W   +7 more
core   +2 more sources

Emergency contraception today: discussion of experts and practice [PDF]

Гинекология, 2014
Emergency contraception with levonorgestrel for the practicing obstetricians-ginecologist is a well-known method of contraception. The modern science has analyzed the safety issues of its use, and recently has changed the understanding of the method ...
L V Erofeeva, V N Prilepskaya
doaj  

Availability of Oral Emergency Contraception in German Community Pharmacies—A Nationwide Cross‐Sectional Mystery Caller Study

Health Science Reports
Background and Aims In Germany, the “morning after pill” (oral emergency contraception [EC]), which contains the active ingredients ulipristal acetate (UPA) and levonorgestrel (LNG), can only be dispensed by community pharmacies (CPs).
Christian Kunow, Carolin Priepke, Bernhard Langer   +2 more
doaj   +1 more source