Background: Premature ovarian failure (POF) is the end-stage of a decline in ovarian function prior to the age of 40 years that involves symptoms associated with low estradiol (E) levels and a minimal probability of pregnancy. This increases the physical and psychological burden experienced by young women of reproductive age, particularly with regards to over-diagnosis.
Case Summary: Here, we report three cases (29, 22, and 33 years-of-age) diagnosed with POF after experiencing secondary amenorrhea for more than one year, serum levels of follicle-stimulating hormone (FSH) > 40 IU/L on two occasions with an interval of more than 4 wk, and negative progesterone withdrawal tests. All three patients were intermittently administered with drugs to create an artificial cycle. During the subsequent discontinuation period, the patients experienced intermittent follicular growth and spontaneous ovulation. One patient experienced two natural pregnancies (both with embryo arrest).
Conclusion: Our findings suggest that young patients with POF can experience unpredictable and intermittent spontaneous follicular development, ovulation, and even natural pregnancy. Clinicians should provide appropriate medical guidance and individualized treatments according to fertility requirements, genetic risks and hypoestrogenic symptoms as soon as possible.
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http://dx.doi.org/10.12998/wjcc.v11.i31.7647 | DOI Listing |
Entropy (Basel)
December 2024
Center for Eudaimonia and Human Flourishing, Linacre College, University of Oxford, Oxford OX3 9BX, UK.
Entropy management, central to the Free Energy Principle, requires a process that temporarily shifts brain activity toward states of lower or higher entropy. Metastable synchronization is a process by which a system achieves entropy fluctuations by intermittently transitioning between states of collective order and disorder. Previous work has shown that collective oscillations, similar to those recorded from the brain, emerge spontaneously from weakly stable synchronization in critically coupled oscillator systems.
View Article and Find Full Text PDFJACC Adv
January 2025
Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Centre, Suita, Japan.
Intensive Care Med Exp
December 2024
Faculty of Nursing and Health Sciences, Nord University, Bodø, Norway.
Background: Identifying spontaneous circulation during cardiopulmonary resuscitation (CPR) is challenging. Current methods, which involve intermittent and time-consuming pulse checks, necessitate pauses in chest compressions. This issue is problematic in both in-hospital cardiac arrest and out-of-hospital cardiac arrest situations, where resources for identifying circulation during CPR may be limited.
View Article and Find Full Text PDFFr J Urol
December 2024
Department of Urology, Bordeaux Pellegrin University Hospital, Bordeaux, France.
Introduction And Objectives: In case of acute urinary retention (AUR) due to benign prostatic hyperplasia (BPH) first trial without catheter (TWOC) may fail in about 30% of cases. In this situation most of patients have to keep an indwelling catheter (IDC) or to perform clean intermittent self-catheterization (CISC) until surgery. Although CISC has shown several advantages over IDC in neurologic patients, it is barely proposed in case of acute or chronic urinary retention due to BPH and comparative data on the outcomes of BPH surgery are very sparse.
View Article and Find Full Text PDFClin Med (Lond)
December 2024
Department of General Internal Medicine, St Mary's Hospital, Praed Street, London W2 1NY, UK. Electronic address:
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