Table 1. With weight values per months of pregnancy.

Month	Woman’s weight in (kg).	Weight gained in course of nine months in (kg).
0	68.0	0.0
1	68.5	0.5
2	69.0	0.5
3	69.5	0.5
4	70.5	1.0
5	72.0	1.5
6	74.0	2.0
7	76.0	2.0
8	78.0	2.0
9	80.0	2.0