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Table 3 Pregnancy and labour/delivery characteristics of the AOB study participants

From: The All Our Babies pregnancy cohort: design, methods, and participant characteristics

Pregnancy intention (n=3355)

 

Characteristic

n(%)

Trying to get pregnant

2698 (80.4)

Not trying to get pregnant

657 (19.6)

Feelings about pregnancy (n=3348)

 

Happy

2913 (87)

Unhappy/not sure

435 (13)

Gravidity (n=3338)

 

Nulligravida

1192 (35.7)

Primi/Multigravida

2141 (64.3)

Parity (n=3340)

 

Nulliparous

1637 (49)

Primi/Multiparous

1703 (51)

Weight gain during pregnancy a (n=3002)

 

Inadequate

895 (29.8)

Adequate

1239 (41.3)

Excessive

868 (28.9)

Method of delivery (n=3055)

 

Vaginal

2297 (75.2)

Caesarean section

758 (24.8)

Gestational age (n=3032)

 

<34wks

51 (1.7)

34-36 wks

190 (6.2)

37+ wks

2791 (92.1)

Small for Gestational Age (singletons; n=2836)

 

SGA

300 (10.6)

Not SGA

2536 (89.4)

Large for Gestational Age (singletons; n=2836)

 

LGA

251 (8.9)

Not LGA

2585 (91.1)

Breastfeeding initiation (n=3057)

 

Yes

2993 (97.9)

No

64 (2.1)

Exclusive breastfeeding at 1 wk (n=2969) b

 

Yes

1786 (60.2)

No

1183 (39.8)

Exclusive breastfeeding at 4-months (n=2976) b

 

Yes

1809 (60.8)

No

1167 (39.2)

  1. a Difference in weight between 34-36wks and pre-pregnancy
  2. b Among those who initiated breastfeeding