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Hormones (Athens) 2022 May 26. Epub 2022 May 26.

Department of Clinical Chemistry, Helsinki University Hospital, Helsinki, Finland.

Objectives: In our earlier study, we separated three different molecular forms of urinary LH-ir (U-LH-ir) by gel filtration and identified them by immunoassay in urine from regularly menstruating women on periovulatory days. U-LH-ir is composed of intact luteinizing hormone (LH), its free beta-subunit (LHβ), and the core fragment of LHβ (LHβcf), the latter two establishing the non-intact portion of LH-ir. The aim was to determine whether timing of ovulation can be improved by detecting different molecular forms of U-LH-ir in women of reproductive age. Read More

Ann Nucl Med 2022 May 24. Epub 2022 May 24.

Department of Radiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan.

Objective: This study aimed to quantitatively evaluate the effects of age, mammographic density, menopausal status, and menstrual cycle on background parenchymal uptake (BPU) using ring-shaped dedicated breast positron emission tomography (dbPET).

Methods: This study included 186 adult women who underwent mammography and dbPET on the same day and had no abnormalities classified as Breast Imaging Reporting and Data System (BI-RADS) category 1 on both examinations. The volume of interest (VOI) was placed in the glandular tissue of both breasts, and the maximum standardized uptake value (SUV), mean standardized uptake value (SUV), and metabolic breast volume (MBV) were measured as indicators of BPU. Read More

Reprod Biomed Online 2022 Apr 14. Epub 2022 Apr 14.

SISMeR, Reproductive Medicine Unit Bologna, Italy.

Research Question: The IVF Lite programme is based on mild ovarian stimulation including up to three fresh/frozen embryo transfers within 12 months. Is it effective and safe in good prognosis patients?

Design: Single-centre prospective study on infertile patients at their first IVF attempt (female age ≤38 years, anti-Müllerian hormone concentrations >1.5 ng/ml and/or FSH ≤10 mIU/ml). Read More

Physiol Rep 2022 May;10(10):e15298

Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.

Low estradiol status is associated with increased cardiovascular risk. We sought to determine the association between heart rate variability (HRV), a marker of cardiovascular risk, at baseline and in response to stressor as a function of menopausal status, menstrual cycle phase and estradiol level. Forty-one healthy women (13 postmenopausal, 28 premenopausal) were studied. Read More

Comput Intell Neurosci 2022 14;2022:2985557. Epub 2022 May 14.

2 The First Affiliated Hospital of Hebei North University Department of Laboratory Medicine, Hebei, Zhangjiakou 075000, China.

A case-control study was conducted to explore the multifactor analysis and intervention of menstrual disorders in female athletes under the background of the Winter Olympic Games, which is based on a large sample. For this purpose, from January 2020 to September 2021, 381 female athletes in long-term ice and snow sports were investigated by random sampling. All of them promoted gynecological examination and counted the incidence of menstrual disorders. Read More