Table 2.
Birth characteristics of 346 singletons from the Environment and Reproductive Health (EARTH) Study.
Child Characteristics | All Children N=346 |
Boys n=180 |
Girls n=166 |
---|---|---|---|
Male, n (%) | 180 (52) | ||
Birth Weight (grams) | |||
Mean (SD) | 3373 (534) | 3448 (532) | 3292 (526) |
min-max | 1090–5040 | 1310–5040 | 1090–4650 |
Head Circumference* (cm) | |||
Mean (SD) | 34.3 (2.5) | 35.0 (2.4) | 33.7 (2.4) |
min-max | 14.0–54.6 | 29.0–54.6 | 14.0–37.5 |
Low Birth Weight | |||
<2500grams, n (%) | 12 (3.5) | 4 (2) | 8 (5) |
Gestational Age at Birth | |||
Mean weeks (min-max) | 39.4 (29–42) | 39.4 (32–42) | 39.3 (29–42) |
Mean days (min-max) | 276 (205–294) | 276 (224–294) | 276 (205–294) |
Preterm Birth | |||
<37 weeks, n (%) | 26 (7.5) | 12 (6.7) | 14 (8) |
Mode of Conception | |||
IVF | 195 (56) | 103 (57) | 92 (55) |
Non-IVF or Untreated | 151 (44) | 77 (43) | 74 (45) |
N=227 infants with head circumference measurements.