Table 1

Inclusion and exclusion criteria for the study of fetal growth restriction

Inclusion Criteria

≥ 37 weeks gestation (full-term)

Mother 17–35 years old

Singleton pregnancy

Case (fetal growth restricted): <2,500 g birth weight

Control: 3,000 to 4,000 g birth weight
Exclusion Criteria

Karyotypic abnormalities, including confined placental mosaicism

Placental abnormalities

Birth defects or syndromic conditions (i.e., Silver-Russell Syndrome)

Pregnancy complications

          Preeclampsia

          Type 1, Type 2 or gestational diabetes

          Meconium staining

          Uterine infection

Maternal chronic illnesses (i. e., hypertension, AIDS, hepatitis, endocrinological)

Known illicit drug use

Rh disease

Adkins et al. BMC Pregnancy and Childbirth 2005 5:2   doi:10.1186/1471-2393-5-2