The sample size was determined a priori based on effect sizes of previous studies6 (link),10 (link),11 (link),106 (link),107 (link) or by post hoc analyses to ensure >80% power was achieved to reduce type II error (for example, heart histology, developmental milestone achievement and cognition in adults). All statistical analyses were conducted in GraphPad Prism v8.0.1 or R v4.0.1 (refs. 108 ,109 ) and are listed with sample sizes in the corresponding figure legends. Preprocessing, statistical analysis and initial plot generation for all datasets were carried out using R v4.0.1. Method schematics were generated using Biorender.com. All figures were finalized in Adobe Illustrator v24.1.
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