Table 1 Demographic characteristics of our cohort of children followed from birth to age 6–12 yr for DNA methylation studies
From: Disrupted methylation patterns at birth persist in early childhood: a prospective cohort analysis
Demographic characteristic | |
|---|---|
Sex* | |
    Male | 13 (41.9%) |
    Female | 18 (58.1%) |
Maternal age (y)^ | 35.8 (4.4) |
Paternal age (y)^ | 38.7 (4.9) |
Mode of conception* | |
    Unassisted (non-ART) | 2 (6.5%) |
    ART | 29 (93.5%) |
            Fresh autologous embryo transfer | 23 (74.2%) |
            Frozen autologous embryo transfer | 3 (9.7%) |
            Donor egg embryo transfer | 3 (9.7%) |
Gestational age at birth^ | 38w6d (11d) |
Birth weight (g)^ | 3352 (542) |
Mode of delivery* | |
    Vaginal delivery | 17 (54.8%) |
    Cesarean section | 14 (45.2%) |
Race/ethnicity* | |
    White non-Hispanic | 24 (77.4%) |
    Black/African-American non-Hispanic | 4 (12.9%) |
    Asian + white non-Hispanic | 2 (6.5%) |
    Native Hawaiian + white non-Hispanic | 1 (3.2%) |
Age at follow-up (y)^ | 9.4y (2.1y) |