Table 2.

Adverse pregnancy outcomes.¹⁶

Term	Definition
Spontaneous abortions or miscarriages	Pregnancy loss <20 weeks of gestation
Recurrent aborter or recurrent miscarriages	≥3 spontaneous abortions
Fetal loss	Pregnancy loss from 10 weeks of gestation and onwards
Intrauterine fetal demise (IUFD) or stillbirth	Fetal death occurring at ≥20 weeks of gestation
Fetal wastage	Sum of spontaneous abortions and stillbirths
Neonatal death	Infant born live but died up to 28 days after birth
Small for gestational age	Birth weight <10th percentile
Low birth weight	Birth weight <2500 g
Very low birth weight	Birth weight <1500 g
Preterm birth or prematurity	Gestational age <37 weeks