Table 1. Parity distribution in this study.

Parity	Frequency	Percentage	Cumulative Frequency	Cumulative percentage
0	543	12.88	543	12.88
1	2983	70.74	3526	83.61
2	544	12.90	4070	96.51
3	121	2.87	4191	99.38
4	21	0.50	4212	99.88
5	2	0.05	4214	99.93
6	1	0.02	4215	99.95
7	2	0.05	4217	100.00