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Anti-β2GPI/HLA-DR antibody, chronic endometritis (CE), and endometrial dysbiosis are likely to be associated with the etiologies of recurrent pregnancy loss (RPL). This prospective cohort study aimed to investigate these new risk factors to…

BACKGROUND: To investigate the association between menstrual-related disorders and sexually transmitted infections (STI) among young women in Japan, and to examine differences according to disorder type and hormonal therapy use. METHODS: T…

ObjectiveTo investigate whether intraoperative confirmation of the disappearance of uterine cavity blood flow using color Doppler during manual vacuum aspiration (MVA) for missed miscarriage reduces the occurrence of retained products of co…

BackgroundRelugolix, an oral gonadotropin-releasing hormone (GnRH) antagonist, represents a potentially effective and less invasive therapeutic approach for retained products of conception (RPOC). However, its impact on subsequent pregnancy…

Endometriosis, a chronic disease that affects about 10% of women of reproductive age, is characterized by severe pain and growth of endometrium-like tissues outside the uteri. Although several theories have been advanced for the cause of en…

PURPOSE: The magnetic resonance imaging (MRI)-based classification of adenomyosis subtypes helps predict reproductive and obstetric outcomes; however, background factors associated with use of assisted reproductive technology (ART) and live…

The fibrosis mechanism in endometriosis is not elucidated. We investigated the role of eosinophil in fibrosis of endometriosis. The endometriotic stromal cells (ESCs) and endometrial epithelial cells (EECs) were subjected to in vitro experi…

ObjectiveThis study aimed to assess whether anti-β2-glycoprotein I (β2GPI)/human leukocyte antigen (HLA)-DR autoantibodies are associated with pregnancy outcomes in women with infertility receiving assisted reproductive technology (ART) in …

IntroductionAnti-β2-glycoprotein I (β2GPI)/human leukocyte antigen (HLA)-DR antibodies may be a risk factor for recurrent pregnancy loss (RPL). The therapeutic modality for women with RPL and anti-β2GPI/HLA-DR antibody positivity has not be…

Human relaxin-2 (H2 relaxin) is a peptide hormone of about 6 kDa, first identified as a reproductive hormone involved in vasoregulation during pregnancy. It has recently attracted strong interest because of its diverse functions, including …

Uterine diverticulum is a rare congenital malformation caused by abnormal fusion of the Müllerian ducts. The diagnosis of uterine diverticulum is difficult, and it is often misdiagnosed as a Müllerian duct anomaly, degenerated uterine fibro…

Objectives: This prospective study evaluated whether endometriosis is associated with chronic endometritis (CE) and affects the uterine endometrium microbiome (UEM) in women with repeated implantation failure (RIF). Methods: Forty-three wom…

Anti-β2-glycoprotein I/HLA-DR (anti-β2GPI/HLA-DR) antibody has been reported to be associated with antiphospholipid syndrome and recurrent pregnancy loss (RPL). We conducted a prospective multicenter cross-sectional study aimed at evaluatin…

To evaluate whether anti-β2-Glycoprotein I/HLA-DR (anti-β2GPI/HLA-DR) antibody is associated with pathophysiology of infertility, 224 women with infertility were enrolled from July 2020 to December 2021 in this prospective study. The serum …

OBJECTIVES: The objective of this study was to observe the influence of laparoscopic adenomyomectomy on perinatal outcomes. MATERIALS AND METHODS: The retrospective cohort study included 43 pregnant cases with adenomyosis who did not under…

Abstract Purpose It is unknown whether surgery for endometriosis or recurrence of endometriosis affects obstetric outcomes. Methods A total of 208 pregnant women with a history of endometriosis were analyzed. Patients who had endometriomas …

For preparing the optimal condition in transcervical resection (TCR) surgery, gonadotropin-releasing hormone (GnRH) agonist has been utilized. Recently, an oral GnRH antagonist (relugolix) is available and acts directly on GnRH receptor, av…

Drugs are expected to recover the cell system away from the impaired state to normalcy through disease treatment. However, the understanding of gene regulatory machinery underlying drug activity or disease pathogenesis is far from complete.…

In endometriosis, M2 MΦs are dominant in endometriotic lesions, but the actual role of M2 MΦ is unclear. CD206 positive (+) MΦ is classified in one of M2 type MΦs and are known to produce cytokines and chemokines. In the present study, we u…

INTRODUCTION: Although various perinatal complications have been reported to be increased in the pregnant patients with adenomyosis, it is not clear what type of patients with adenomyosis is more likely to cause obstetric complications. In …

OBJECTIVES: Pregnancy complicated with ovarian endometrioma is a risk factor for preterm delivery and rupture or infection during pregnancy. This study aimed to clarify the effectiveness and safety of transvaginal aspiration during pregnanc…

Sphingosine 1-phosphate (S1P), an inflammatory mediator, is abundantly contained in red blood cells and platelets. We hypothesized that the S1P concentration in the peritoneal cavity would increase especially during the menstrual phase due …

In endometriosis, M2 macrophages (MΦ) are dominant and promote the development of endometriosis lesions. However, the factor(s) which induces M2 MΦ are unknown. In the present study, we focused on interleukin (IL)-33, known as an alarmin an…

We have developed a deep learning-based approach to improve image quality of single-shot turbo spin-echo (SSTSE) images of female pelvis. We aimed to compare the deep learning-based single-shot turbo spin-echo (DL-SSTSE) images of female pe…

Background: Relaxin (RLX)-2, produced by the corpus luteum and placenta, is known to be potentially effective in fibrotic diseases of the heart, lungs, kidneys, and bladder; however, its effectiveness in endometriosis has not yet been inves…