The fetus can also be transverse though, where the fetal spine is perpendicular to mom's spine, or it can be oblique, where it's slightly at an angle, and these two positions can impede the progression of labor.

胎儿也可以是横向的，胎儿的脊柱垂直于母亲的脊柱，或者是倾斜的，稍微偏一点角度，这两种产式会妨碍分娩进程。