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Proportional Venn diagram depicting the number of up‐ (top) and down‐ (bottom) regulated trophoblast miRNAs in day 35 ± 1 pregnancies where fetal and maternal major histocompatibility complex class I (MHC‐I) haplotypes were matched (homozygous compatible, n = 9) and unmatched (heterozygous incompatible; n = 5). Control pregnancies were established by artificial insemination (n = 8)
