No, regular splits will make ligaments more flexible. Hip widening is generally due to the development of secondary sexual characteristics of women during their development. Under normal circumstances, the hips will not be widened due to exercise or other reasons. However, due to the development of the fetus in the uterus, pregnant women may also widen their hips during pregnancy.
However, be careful not to get hurt when chopping. If you are pregnant, you'd better not do such exercise.