Effects of Assisted Reproduction Technology on Placental Imprinted Gene Expression

Table 2

Imprinted gene expression analysis in placental tissue samples.

	ART (𝑛)	SC (𝑛)	Total (𝑛)
AFD (≥2500 g, <3500 g)	45	173	218
FGR (≤2500 g)	3	51	54
OG (≥3500 g)	—	25	25
Total	48	249	297

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