Table 2.

Fertility and pregnancy outcome at three years in relation to mode of delivery at index pregnancy. Values are numbers (percentages) unless stated otherwise

	Index pregnancy		Odds ratio (95% confidence interval)
	Instrumental vaginal delivery (n=133)	Caesarean section (n=150)	Unadjusted	Adjusted*
Planned further pregnancy	92 (69)	100 (67)	1.12 (0.68 to 1.85)	1.24 (0.68 to 2.24)
Had difficulty conceiving	5/92 (5)	19/100 (19)	0.25 (0.09 to 0.69)†	0.33 (0.12 to 0.98)†
Had involuntary infertility for >1 year	2/92 (2)	3/100 (3)	0.72 (0.12 to 4.40)	0.70 (0.11 to 4.33)
Achieved a planned further pregnancy at 3 years (%)‡	73/92 (79)	67/100 (67)	1.89 (0.98 to 3.64)	2.09 (1.10 to 4.28)†
Ectopic pregnancy	4/73 (5)	0	-	-
Miscarriage	13/73 (18)	11/67 (16)	1.10 (0.46 to 2.66)	0.85 (0.21 to 3.45)
Preterm delivery (<37 weeks)	1/73 (1)	2/67 (3)	0.45 (0.04 to 5.10)	0.55 (0.04 to 7.74)
Term delivery (≥37 weeks)	54/73 (74)	54/67 (81)	0.68 (0.31 to 1.52)	0.71 (0.32 to 1.61)

^*Adjusted for parity to maternal age, social class, previous neonatal trauma, and previous prolonged hospital stay.

^†P <0.05.

^‡Includes one woman who was pregnant at the time of the survey where outcome was not yet known.