Table 2.
Birth characteristics of 384 singletons from the Environment and Reproductive Health (EARTH) Study, 2005 – 2018.
| Infant Characteristics | Births 2005 – 2018 |
|
|---|---|---|
| N = 384 a | N=203 b | |
| Male, n (%) | 195 (51) | 100 (49) |
| Birth weight (grams) | ||
| Mean (SD) | 3357 (536) | 3353 (497) |
| min-max | 1310 – 4790 | 1850 – 4790 |
| Low birth weight | ||
| <2500 g, n (%) | 18 (5) | 6 (3) |
| Gestational age (weeks) | ||
| Mean (SD) | 39.3 (1.7) | 39.3 (1.5) |
| min-max | 29–42 | 33–42 |
| Preterm birth | ||
| <37 weeks, n (%) | 30 (8) | 14 (7) |
| Mode of conception, n (%) | ||
| ART c | 223 (58) | 126 (62) |
| Non-ART d | 161 (42) | 77 (38) |
a
Singletons from total study population.
b
Singletons whose parents joined as a couple in the study.
c
Assisted Reproductive Technology (ART): fresh or frozen in-vitro fertilization protocols, including intracytoplasmic sperm injection.
d
Non-ART: intrauterine insemination with or without ovulation induction/stimulation; ovulation induction/stimulation with timed intercourse, or non-medically assisted/naturally conceived.