Previous term emergency caesarean section is a risk factor for recurrent spontaneous preterm birth; a retrospective cohort study

Fetal station at caesarean section and risk of subsequent preterm birth - A cohort study

“…Wood [13]. Suff et al found an increased risk of recurrent spontaneous preterm birth if the woman also had a history of emergency CS [22]. We found that an index CS at a low station, compared with a high station, had 73% higher odds of very PTB, and 29% higher odds of moderate PTB in the second pregnancy.…”

Emergency caesareans are associated with an increased risk of recurrent early preterm birth: a commentary

“… 1,3–7 Of concern, sPTB following any EMCS, not just those at full dilatation, is more likely to recur in subsequent pregnancies. A recent study found the RR of recurrent sPTB at <37 weeks of gestation is 2.7 for all EMCS, and 3.1 for FDCS, when compared with women with a prior sPTB and no EMCS risk factor 8 . This represents absolute risks of 54.0% (32/59) and 61.9% (13/21), respectively.…”

“…The risk is further increased when including LM, with 25.4% delivering at <24 weeks of gestation (15/59; RR 5.65). 8 Another study demonstrated a 41% absolute risk of recurrence of sPTB at <30 weeks of gestation. 9 As well as an increased risk of recurrence, intervention with transvaginal cerclage (TVC) is less effective in women with a history of EMCS, with a tenfold increased risk of recurrent sPTB at <30 weeks of gestation despite TVC (absolute risk 30%) (see below).…”

“…A recent study found the RR of recurrent sPTB at <37 weeks of gestation is 2.7 for all EMCS, and 3.1 for FDCS, when compared with women with a prior sPTB and no EMCS risk factor. 8 This represents absolute risks of 54.0% (32/59) and 61.9% (13/21), respectively. The risk is further increased when including LM, with 25.4% delivering at <24 weeks of gestation (15/59; RR 5.65).…”

“…This represents absolute risks of 54.0% (32/59) and 61.9% (13/21), respectively. The risk is further increased when including LM, with 25.4% delivering at <24 weeks of gestation (15/59; RR 5.65) 8 . Another study demonstrated a 41% absolute risk of recurrence of sPTB at <30 weeks of gestation 9 .…”