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| http://dx.doi.org/10.1136/bmj.313.7063.1005a | DOI Listing |
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Fig abscission as a defense mechanism of Ficus trees against parasitism by non-pollinating fig wasps.
Sci Rep
January 2025
Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei, Taiwan.
How does the fig tree Ficus benguetensis protect its investment in the production of figs and pollinating fig wasps against parasitism from non-pollinating fig wasps? This study documents a previously overlooked defense mechanism: fig abscission-the natural shedding of the fig fruit as a defense mechanism. Our bagging experiments showed that both the absence of pollination and high parasitism levels lead to the abortion of F. benguetensis figs, with positive correlations between parasitism levels, increased abscission rates, and decreased pollinator production.
View Article and Find Full Text PDFAnalysis of gene expression difference and biological process in chorionic villi of unexplained recurrent spontaneous abortion.
BMC Pregnancy Childbirth
December 2024
Reproductive Medicine Center, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
Objective: To explore the biological relationship between the regulatory signal pathways involved in differentially expressed genes and recurrent spontaneous abortion (RSA) by analyzing the gene expression microarray data of unexplained RSA.
Methods: The gene expression profile data of chorionic villi from unexplained recurrent abortion with normal karyotype and selective induced abortion were compared. Differentially expressed genes were analyzed by the "Limma" package in R Studio, and Gene Ontology(GO) and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analysis were carried out with "Cluster Profiler" and "org.
Selective termination: a life-saving procedure for complicated monochorionic gestations.
J Perinat Med
December 2024
Fetal Care and Surgery Center (FCSC), Division of Fetal Medicine and Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
Monochorionic twin pregnancies are a subset of twin pregnancies that face potential complications related to a shared circulation between the fetuses. These complications are related to anastomotic placental vessels connecting the cardiovascular systems of the two fetuses, which can result in significant sequela if one twin experiences intrauterine death. The sudden cardiovascular collapse in this scenario leads to a massive blood shift away from the healthy co-twin, significantly jeopardizing its life and long-term neurodevelopmental outcome.
View Article and Find Full Text PDFAssessment of delayed termination of pregnancy in India: Evidence from National Family Health Survey, 2019-21.
Sex Reprod Healthc
December 2024
Senior Project Officer, IIPS Mumbai, India. Electronic address:
Background: Compared to first trimester abortions, those in the second trimester significantly contribute to maternal morbidity and mortality, particularly in low- and middle-income settings where access to safe second trimester abortion services is restricted. This study aimed to evaluate the prevalence and factors associated with induced second trimester abortions in India.
Data And Methods: Retrospective calendar data for 7,696 women aged 15-49 years from fifth round of National Family Health Survey (2019-2021) was used for the study.
Test or No-Test: Comparison of Medication Abortion Outcomes and Adverse Events When Forgoing Ultrasound, Laboratory Testing, and Physical Examination.
J Obstet Gynaecol Can
January 2025
Department of Family Practice, University of British Columbia, Vancouver, BC.
Objectives: This study aimed to compare demographics and clinical outcomes between patients who did not undergo investigations and those who underwent investigations before receiving a prescription for medication abortion (MA) during the first 6 months of the COVID-19 pandemic. Outcomes include success rates, adverse events, pathways to completion, and loss to follow-up rates.
Methods: We conducted a retrospective medical record review of 1452 patients presenting for MA between 23 March 2020 and 30 September 2020.
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