Whether hip circumference is affected by hip size cannot be determined by appearance alone. An important item during prenatal care is measuring the diameter of the pelvis to determine the mode of delivery. The pelvis has two structural diameters, the front and rear diameters are shorter and the left and right diameters are wider, which is conducive to the passage of the fetus and enables natural delivery. If you are born with a narrow pelvis, long front and rear diameter, and narrow left and right diameters, making it difficult for the fetus to be delivered, you may choose to have a caesarean section. Therefore, although the size of the pelvis has no direct impact on fertility, a straight, \”dignified\” perfect pelvis does