Placenta pre true are:
Prior surgery on the uterus especially Caesarean section increases the incidence of placenta prae two or three fold.The combination of a prior Caesarean section with an anterior placenta prae is paicularly dangerous (refer pgno:129 sheila textbook of obstetrics 2nd edition)
incidence increases by two fold after LSCS
More common in primipara
Most common in developed countries
1 per 1000 pregnancies
General obstetrics