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Impact of follicular size categories on oocyte quality at trigger day undergoing luteal phase stimulation protocol.
Arch Gynecol Obstet
January 2025
Reproductive Medicine Research Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, No. 17 Shou-gou-ling Rd., Tianhe District, Guangzhou, 510000, China.
Purpose: To investigate an optimal strategy by assessing the effectiveness of varying follicular sizes on trigger day during luteal phase stimulation protocol and provide evidence for personalized protocol adjustment.
Methods: This was a retrospective study including a total of 661 patients who had started their in vitro fertilization cycle with a luteal phase stimulation (LPS) protocol during 2015-2023. We classified patients into groups according to the size of the dominant proportion of follicles on the human chorionic gonadotropin (hCG) trigger day: large, medium, and small.
The relationship between hormonal contraceptives, level of anxiety and emotional awareness: pilot project.
Physiol Res
December 2024
Department of Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
An important part of the side effects of combined oral contraceptives (COC) usage is its psychological impact, which includes mood changes, anxiousness and depression. The psychological impacts are expected to be caused by physiological fluctuations of sex hormone levels during the menstrual cycle; this cycling is, however, suppressed in COC users. In our study, we assessed the differences in emotional awareness and anxiousness between women long term users of anti-androgenic COC (AA) and women with no COC use in their medical history (C).
View Article and Find Full Text PDFBirth defects reporting and the use of dydrogesterone: a disproportionality analysis from the World Health Organization pharmacovigilance database (VigiBase).
Hum Reprod Open
January 2025
Regional Center of Pharmacovigilance, Pharmacology Department, Cochin Hospital, AP-HP.Centre-Université Paris Cité, Paris, France.
Study Question: Is there an association between dydrogesterone exposure during early pregnancy and the reporting of birth defects?
Summary Answer: This observational analysis based on global safety data showed an increased reporting of birth defects, mainly hypospadias and congenital heart defects (CHD), in pregnancies exposed to dydrogesterone, especially when comparing to progesterone.
What Is Known Already: Intravaginal administration of progesterone is the standard of care to overcome luteal phase progesterone deficiency induced by ovarian stimulation in ART. In recent years, randomized controlled clinical trials demonstrated that oral dydrogesterone was non-inferior for pregnancy rate at 12 weeks of gestation and could be an alternative to micronized vaginal progesterone.
Menstrual cycle effects on thermoregulation while exercising in the heat.
J Therm Biol
January 2025
School of Integrative Physiology and Athletic Training, University of Montana, 32 Campus Drive, Missoula, MT, 59812, USA. Electronic address:
Women may be challenged to maintain thermoregulation due to hormonal changes associated with the menstrual cycle. The purpose of this study was to assess the effect of the menstrual cycle phase on core temperature, hydration status, and perceived exertion while exercising under uncompensable heat gain. Eleven eumenorrheic women (24.
View Article and Find Full Text PDFLongitudinal Changes in Pitch-Related Acoustic Characteristics of the Voice Throughout the Menstrual Cycle: Observational Study.
JMIR Form Res
January 2025
Klick Applied Sciences, Klick Health, Toronto, ON, Canada.
Background: Identifying subtle changes in the menstrual cycle is crucial for effective fertility tracking and understanding reproductive health.
Objective: The aim of the study is to explore how fundamental frequency features vary between menstrual phases using daily voice recordings.
Methods: This study analyzed smartphone-collected voice recordings from 16 naturally cycling female participants, collected every day for 1 full menstrual cycle.
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