Pregnancy planning and neonatal outcome - a retrospective cohort study

Table 3 Neonatal outcomes in planned and unplanned pregnancies presented as numbers and percentages

	Total (n = 2710)			Unplanned (n = 825)			Planned (n = 1885)			OR	95% CI	aOR^†	a95% CI
	n	%	Missing (n)	n	%	Missing (n)	n	%	Missing (n)	OR	95% CI	aOR^†	a95% CI
Severe adverse neonatal outcome^‡(n = 2710)	70	2.5	0	18	2.2	0	52	2.8	0	0.8	0.5–1.4	0.7	0.4–1.3
Small for gestational age (n = 2650)	62	2.3	60	30	3.6	14	32	1.7	46	2.2	1.3–3.6	2.1	1.2–3.7
Low birth weight < 2500 g (n = 2690)	90	3.3	20	30	3.7	7	60	3.2	13	1.2	0.7–1.8	1.0	0.6–1.8
Preterm birth < 37 weeks + 0 days (n = 2710)	119	4.4	0	33	4	0	86	4.6	0	0.9	0.6–1.3	0.7	0.5–1.2
Preterm birth < 34 weeks + 0 days (n = 2710)	36	1.3	0	12	1.5	0	24	1.3	0	1.1	0.6–2.3	1.0	0.5–2.6
Apgar < 7 at 5 min (n = 2688)	29	1.1	22	10	1.2	4	19	1.0	18	0.8	0.4–1.8	0.8	0.3–1.8
Large for gestational age (n = 2650)	99	3.7	60	27	3.3	14	72	3.9	46	0.8	0.5–1.3	0.9	0.6–1.5
Post-term birth^§(n = 2710)	172	6.3	0	64	7.8	0	108	5.7	0	1.4	1.0–1.9	1.4	1.0–1.9

†Model 1 (Severe adverse neonatal outcome, SGA, LBW, preterm birth and low Apgar): Adjusted for maternal age, BMI < 18,5 or ≥ 30, smoking, alcohol use, low educational level and origin other than Swedish.
Model 2 (LGA and post-term birth): Adjusted for maternal age, BMI, low educational level and origin other than Swedish.
‡Defined as intrauterine fetal death, neonatal death within 27 days of birth, or one of the following: mask ventilation, intubation, heart compressions, or correction of acidosis.
§≥42 weeks + 0 days.

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