Journal of Pregnancy / 2019 / Article / Tab 2

Research Article

The Concentration of Micronutrients and Heavy Metals in Maternal Serum, Placenta, and Cord Blood: A Cross-Sectional Study in Preterm Birth

Table 2

Maternal obstetric status and pregnancy outcome. Apart from the apparent characteristic of preterm birth, no significant difference was found between groups.

VariableTermPretermP
(n = 25)(n = 26)

Parity
 Nulliparous18170.754
 Multiparous710
History of preterm
 No22230.959
 Yes33
Gestational age upon birth (weeks)39 (37–41)33 (26–36)<0.001
Birth method0.938
 Spontaneous1921
 Caesarian section66
Infant data
 Birth weight (g)3056.2 (335.32)1897.88 (549.023)<0.001
 Body length (cm)49.02 (2.58)42.92 (5.12)<0.001
 Abdominal circumference (cm)30.88 (2.03)27.04 (3.58)<0.001
 Head circumference (cm)32.42 (1.54)29.13 (2.64)<0.001
 Placental weight (g)554.8 (92.6)426.77 (102.46)<0.001

Chi-square test. Mann-Whitney test. Independent t-test.