UCP1 and Insulin resistance: Among the C19MC miRNAs, 33 showed significant correlations with parameters such as placental weight (25 miRNAs), fetoplacental weight ratio (21 miRNAs), GWG (15 miRNAs), UCP insulin (14 miRNAs), neonatal weight (9 miRNAs) or neonatal insulin resistance (HOMA‐IR; 5 miRNAs) (Table 2).