ArticleJCI insight2026
Programmed cycle-induced endometrial perturbations do not independently influence angiogenic imbalance or hypertensive disorders in pregnancy.
Article in JCI insight, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03799107 (The Developmental Epidemiological Study of Children Born Through Reproductive Technology), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
The Developmental Epidemiological Study of Children Born Through Reproductive Technology
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0 citing papers in PubMed.
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Authors and funding
18 authors.
Funding
Abstract
BACKGROUNDIn vitro fertilization (IVF) culminates in embryo transfer into a hormonally primed endometrium, often via a programmed cycle (PC) regimen postulated to influence hypertensive disorders of pregnancy (HDP) risk. We thus generated a single-cell atlas of PC endometrium to define cell type-specific differences relative to natural cycle (NC) endometrium and evaluated whether PC-associated modulation of the window of implantation (WOI) endometrium influences angiogenic balance in pregnancy.METHODSsnRNA-seq of prospectively collected PC and NC WOI endometrium. An independent prospective cohort of 548 singleton pregnancies was separately analyzed for maternal serum angiogenic markers (soluble fms-like tyrosine kinase-1; placental growth factor) and HDP incidence in PC- versus NC-conceived pregnancies, adjusting for clinical confounders and IVF use.RESULTSProminent transcriptomic differences were observed between PC (n = 7; 48,843 nuclei) and NC (n = 9; 44,230 nuclei) WOI endometrium, particularly in glandular epithelium (682 up- and 979 downregulated genes; Padj < 0.05) and stromal fibroblasts (108 up- and 168 downregulated). PC endometrium showed reduced uterine natural killer cell abundance, potentially from CXCL14 downregulation. Functional enrichment revealed downregulation of embryo implantation, angiogenesis, and extracellular matrix remodeling pathways in PC. Altered cell-cell signaling in decidualization, angiogenesis and inflammatory response were also observed. Despite these WOI perturbations, PC-conceived pregnancies were not associated with early gestational angiogenic imbalance or increased HDP risk.CONCLUSIONPC endometrial preparation induced distinct cellular and signaling alterations in the WOI but was not associated with subsequent development of angiogenic imbalance or HDP, thereby underscoring the resilience and adaptability of the early maternal-fetal interface.TRIAL REGISTRATIONClinicalTrials.gov NCT03799107.FUNDINGABOG/AAOGF; NICHD-R01-HD084380; NCTRI-P50-HD055764; NIAMS-P30-AR070155.
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