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Effect of gestational age and fetal sex on metabolism of creatine by uteri, placentae, and fetuses of pigs†.
Biol Reprod
January 2025
Department of Animal Science, Texas A&M University, College Station, TX, USA.
The creatine (Cr) biosynthesis pathway buffers ATP in metabolically active tissues. We investigated whether sex of fetus and day of gestation influence Cr in endometrial and conceptus tissues from gilts on Days 60 and Day 90 (n = 6 gilts/day) of gestation. Uterine and conceptus tissues associated with one male and one female fetus from each gilt were analyzed for creatine, mRNAs, and proteins for Cr biosynthesis.
View Article and Find Full Text PDFClinical factors that influence chorionic villus sampling sample size.
Arch Gynecol Obstet
January 2025
Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Colorado School of Medicine, 12631 East 17th Ave, Aurora, USA.
Purpose: Our primary objective was to characterize clinical and procedural factors affecting sample size in chorionic villus sampling (CVS).
Methods: This retrospective, single-site cohort study included singleton pregnancies undergoing transabdominal (TA) and transcervical (TC) CVS between 2020 and 2023. Prenatal and maternal data were obtained from the electronic medical record.
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.
Perspectives on the use of decellularized/devitalized and lyophilized human perinatal tissues for bone repair: Advantages and remaining challenges.
Mater Today Bio
February 2025
Université de Franche-Comté, Laboratoire SINERGIES, F-25000 Besançon, France.
Human amniotic membrane (hAM) has been extensively used for several decades as a bioactive scaffold for regenerative medicine. In its cryopreserved form-one of the main storage formats-the presence of viable cells has often been questioned. Furthermore, there is little published evidence of the role of endogenous amniotic cells from cryopreserved hAM in tissue repair.
View Article and Find Full Text PDFRetroperitoneal Teratoma in a Newborn: A Case Report and Diagnostic Insights.
Cureus
December 2024
Department of Pediatrics, Division of Neonatology, Blythedale Children's Hospital, Valhalla, USA.
Retroperitoneal teratomas are rare neoplasms in neonates, presenting with nonspecific symptoms and variable clinical features, making diagnosis challenging. Radiological investigations, particularly fetal ultrasound and contrast-enhanced computed tomography, play a critical role in their detection. Differential diagnoses include neuroblastoma, adrenal hemorrhage, and congenital cystic lesions, which share overlapping clinical and imaging features.
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