Table 2. General characteristics of the mothers (N = 1000).

Maternal Age (years) Mean±SD	31.5±4.4
Pre-Pregnancy Weight (Kg) Mean±SD	62.2± 11.0
Height (cm) Mean±SD	164.1±5.7
Pre-Pregnancy BMI (Kg/m2) Mean±SD	23.0±3.8
Folic Acid supplementation N(%)	123(12.3%)
Smoking N(%)	30(3%)
Cigarette Smoking N(%)	22(2.2%)
Hookah Smoking N(%)	8(0.8%)