A pregnant patient has several risk factors for placenta praevia. Which option contains only risk factors listed in the lecture?

The lecture lists **previous caesarean section**, **multiparity**, and **smoking** as risk factors for placenta praevia. Other listed factors include previous praevia, previous termination of pregnancy, maternal age over 40 years, multiple pregnancy, assisted conception, and conditions associated with deficient endometrium. The distractors include factors not identified in the supplied material.\n\n**Key takeaway:** Prior uterine procedures or scarring and several maternal or pregnancy factors are associated with praevia in the lecture.\n\n**Glossary:** **Multiparity**: Having had more than one pregnancy reaching a relevant birth threshold; **endometrium**: The lining of the uterus.