Effects of Assisted Reproduction Technology on Placental Imprinted Gene Expression

Table 1

Subject characteristics.

	ART (𝑛)	SC (𝑛)	Total (𝑛)
AFD (2500 g ≤, <3500 g)	62	798	860
FGR (≤ 2500 g)	3	61	64
OG (≥3500 g)	—	65	65
Total	65	924	989

𝑛: number of cases, AFD: appropriate-for-date, FGR: fetal growth retardation, OG: over growth, ART: assisted reproductive technology, and SC: spontaneous conception.