Table 2.
Birth characteristics of 418 singletons from the Environment and Reproductive Health (EARTH) Study (2005 – 2018).
| Child Characteristics | Births 2005 – 2018 |
|---|---|
| N = 418 | |
| Male, n (%) | 216 (52) |
| Birth weight (grams) | |
| Mean ± SD | 3360 ± 550 |
| min-max | 1090 – 5040 |
| Low birth weight | |
| <2500 g, n (%) | 20 (4.8) |
| Gestational age at birth | |
| Mean weeks ± SD | 39.3 ± 1.7 |
| min-max | 29–42 |
| Mean days ± SD | 275 ± 12.0 |
| min-max | 205–294 |
| Preterm birth | |
| <37 weeks, n (%) | 34 (8.1) |
| Mode of Conception, n (%) | |
| ARTa | 236 (56) |
| Non-ARTb | 182 (44) |
a
Assisted Reproductive Technology (ART): fresh or frozen in-vitro fertilization protocols, including intracytoplasmic sperm injection.
b
Non-ART: intrauterine insemination with or without ovulation induction/stimulation; ovulation induction/stimulation with timed intercourse, or non-medically assisted/naturally conceived.