Table 1.

Characteristics of Gen3G participants.

	N	Mean ± sd or N(%)
Maternal age	108	27.45 ± 4.11
Ethnicity (% white)	108	108 (100.0%)
Parity (% nulliparous)	108	54 (50.0%)
Gravidity (% first pregnancy)	108	38 (35.2%)
% smokers	107	10 (9.3%)
Gestational age at delivery	108	39.61 ± 1.03
Placental weight	108	599.9 ± 123.7