Generally speaking, the cervical eloquence of people who have experienced abortion or childbirth is a straight line, but it is not absolute. There are also very few women who have not had an abortion due to developmental reasons. In some cases, if the cervix has inflammation, long-term stimulation can also change the shape of the cervix.
At the same time, there is another situation. Gynecological examination of cervical dilatation may also lead to cervical relaxation and linear appearance. I hope it is useful to you and can answer your doubts!