Original sentence: In pat is not uncommon to confirm the diagnosis with an examination in the surgical theatre.Type II or marginal: The placenta touchesf the cervix.Women with placenta previa often present with painless,ng.to the placement of the placenta:
Edited sentence: In parts of the world where ultrasound is unavailable, it is not uncommon to confirm the diagnosis with an examination in the surgical theatre.Placenta previa is classified according to the placement of the placenta:.Type II or marginal: The placenta touches, but does not cover, the top of the cervix.Women with placenta previa often present with painless, bright red vaginal bleeding