Table 2.

Average BMI before pregnancy.

	N	BMI Mean	Std. deviation
Education:
Basic	69	24.5	4.6
High school	145	23.2	4.5
University	146	22.8	3.4
Residence:
Town	259	22.9	4.0
Village	101	24.2	4.5
Total	360	23.3	4.2