Sigmoid and cecal volvulus in pregnancy and puerperium: A systematic review

Figure 1  PRISMA flow diagram.

Figure 2 Surgical procedure related to the timing of surgery and delivery. The frequency of specific surgical procedures depends on the time between the surgery procedure and delivery (and vice versa).

Figure 3 Maternal and fetal mortality trends. A: Maternal mortality across four publication periods shows a declining trend in maternal deaths over the century; B: Fetal mortality across four publication periods shows a declining trend in antepartum fetal deaths over the century.