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Table 1 Definition of operational variables

From: Adolescent deliveries in rural Cameroon: an 8-year trend, prevalence and adverse maternofoetal outcomes

Age Adolescent (<20 years) versus adult deliveries (≥20 years)
Adolescents Early adolescence (10–16 years) versus late adolescence (17–19 years) [6].
Gravidity 1. Primigravida (Women at their first pregnancy)
2. Multigravida (2–4 pregnancies)
3. Grand multigravida (>4 pregnancies)
Parity 1. Primiparous (Women at their first delivery)
2. Multiparous (2–4 deliveries)
3. Grand multiparous (>4 deliveries)
Gestational age 1. Preterm delivery: Delivery from 28 to 36 weeks of gestation
2. Term delivery: Delivery from 37 to 42 weeks of gestation
3. Post-term delivery: Delivery above 42 weeks of gestation
Apgar score at fifth minute Neonatal asphyxia. Yes (<7) versus No (≥7)
Low birthweight Babies born with a weight ≤ 2600 g [28].
High birthweight Babies born with a weight ≥ 3850 [29].