TABLE 1
Summary of demographic data on term and preterm placentas
Term
Preterm
Mean age of pregnancy
27.4 ± 5.4
26.6 ± 5.6
Mean of gestational weeks
39.2 ± 1.4
32.2 ± 3.2
Cesarean sections
57%
76%
Weight at birth (g)
3743 ± 491
1761 ± 732
Number
14
17