Results 21 to 30 of about 22,304 (253)
Levonorgestrel intrauterine system embedded within tubal ectopic pregnancy: a case report
Journal of Medical Case Reports, 2021 Background The presence of the levonorgestrel-releasing intrauterine system embedded within an ectopic pregnancy is a rare occurrence. Tubal migration of an intrauterine device is not well understood and has not been extensively studied in literature ...
Dorothy Makena +2 more
doaj +1 more source
Acta Obstetricia et Gynecologica Scandinavica, 2020 Epidemiological studies have shown that some hormonal contraceptive methods are associated with increased breast cancer risk, especially if used over long periods.
L. Conz +6 more
semanticscholar +1 more source
Effects of Levonorgestrel and progesterone on Oviductal physiology in mammals
Reproductive Biology and Endocrinology, 2018 Background Our previous study indicated that emergency contraception, including levonorgestrel and progesterone, could lead to ectopic pregnancy following contraception failure. However, our understanding of the effects of levonorgestrel and progesterone
Cheng Li +14 more
doaj +1 more source
ARS Medica, 2008 En esta revisión se actualiza el mecanismo de acción del levonorgestrel (LNG) usado en anticoncepción de emergencia. El análisis crítico de la estimación de la eficacia anticonceptiva del LNG indica que su tasa de falla es más alta que la publicada.
Horacio Croxatto Avoni +1 more
doaj +1 more source
Exploring Trehalose on the Release of Levonorgestrel from Implantable PLGA Microneedles
Polymers, 2020 Hydrophobic drugs wrapped in poly (lactic-co-glycolic acid) (PLGA)-based microneedles (MNs) require a long time to release completely. To obtain the desired duration, it is still necessary to modulate the release of hydrophobic drugs from MNs, while the ...
Xiaoyu Zhao +4 more
semanticscholar +1 more source
The use of emergency hormonal contraception in South Africa: current and future perspectives
South African Family Practice, 2019 Emergency hormonal contraceptives play an important role in preventing unplanned pregnancies in South Africa. In this review, we discuss the levonorgestrel emergency contraceptive, the combined estrogen and progestin regimen (also known as the Yuzpe ...
N. Dahan-Farkas, M. Vally
doaj +1 more source
PLoS ONE, 2014 The HIV/AIDS pandemic and its impact on women prompt the investigation of prevention strategies to interrupt sexual transmission of HIV. Long-acting drug delivery systems that simultaneously protect womenfrom sexual transmission of HIV and unwanted ...
Justin T Clark +9 more
doaj +1 more source
NOMAC-E2 compares to LNG combined oral contraceptives in women over forty: real-world PRO-E2 study
Gynecological Endocrinology, 2023 Objective To investigate safety and effectiveness of NOMAC-E2 and levonorgestrel-containing COCs (COCLNG) in users over 40.Methods In this large, observational study, new users1 of NOMAC-E2 and COCLNG were recruited in Europe, Australia, and Latin ...
Sophia von Stockum +7 more
doaj +1 more source
The association between levonorgestrel intrauterine devices and female fertility compared to other contraceptive methods: A historical cohort study. [PDF]
Int J Gynaecol ObstetAbstract Objective This study aimed to investigate whether the use of levonorgestrel intrauterine devices (LNG‐IUD) is associated with an increased need for medically assisted reproductive (MAR) treatment compared to other contraceptive methods. Methods This register‐based historical cohort study included 733 875 Danish women aged 18–42 years between ...
Michaelsen MP +5 more
europepmc +2 more sources