“Frozen-Thawed Embryo Transfer Linked to Increased Obesity Risk in Children, Danish Study Shows”

https://pubmed.ncbi.nlm.nih.gov/38113196

This Danish cohort study found that while there is no significant association between assisted reproductive technologies (ART) and a child’s BMI at age 5 to 8, the use of frozen-thawed embryo transfer was associated with a 1.5-fold increased risk of obesity compared to fresh embryo transfer.