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Table 3 Top 20 most prevalent individual health conditions in pregnant women

From: Epidemiology of pre-existing multimorbidity in pregnant women in the UK in 2018: a population-based cross-sectional study

CPRD (UK), n = 37,641 SAIL (Wales), n = 27,782 SMR (Scotland), n = 6099
No Health conditions Percentage, % (95% CI) Health conditions Percentage, % (95% CI) Health conditions Percentage, % (95% CI)
1 Depression (diagnosis) 23.43 (23.01 −23.87) Depression (diagnosis) 24.07 (23.57 −24.58) Common mental health disorders (prescription) 22.66 (21.61 −23.71)
2 Anxiety (diagnosis) 18.98 (18.58 −19.38) Anxiety (diagnosis) 23.05 (22.56 −23.55) Asthma 9.94 (9.19 −10.69)
3 Allergic rhinoconjunctivitis 16.35 (15.98 −16.73) Allergic rhinoconjunctivitis 18.53 (18.08 −19.00) Allergic rhinoconjunctivitis 7.56 (6.90 −8.22)
4 Asthma 14.63 (14.27 −14.99) Asthma 17.17 (16.73 −17.62) Peptic ulcer disease/GORD 6.98 (6.35 −7.62)
5 Migraine 12.71 (12.38 −13.05) Migraine 13.47 (13.07 −13.88) Atopic eczema 6.35 (5.73 −6.96)
6 Other mental health conditions 8.85 (8.57 −9.14) Other mental health conditions 9.43 (9.09 −9.78) Other mental health conditions 4.84 (4.30 −5.38)
7 IBS 7.97 (7.70 −8.25) IBS 7.83 (7.52 −8.15) Migraine 3.69 (3.22 −4.16)
8 Other skin conditions 5.47 (5.25 −5.71) Other chronic headaches 6.60 (6.31 −6.90) IBS 3.16 (2.73 −3.60)
9 PCOS 4.66 (4.45 −4.88) Other skin conditions 5.71 (5.44 −5.98) Thyroid disorder 3.12 (2.68 −3.55)
10 Psoriasis 3.90 (3.70 −4.10) Atopic eczema 3.97 (3.74 −4.20) Severe mental illness 2.26 (1.89 −2.64)
11 Female infertility 3.81 (3.62 −4.01) PCOS 3.96 (3.73 −4.20) Cholelithiasis 2.15 (1.78 −2.51)
12 Other chronic headaches 3.53 (3.35 −3.72) Psoriasis 3.62 (3.41 −3.85) Depression (diagnosis) 1.71 (1.38 −2.03)
13 Thyroid disorder 3.34 (3.16 −3.52) Thyroid disorder 2.45 (2.28 −2.64) Epilepsy 1.57 (1.26 −1.89)
14 Atopic eczema 3.06 (2.89 −3.24) Alcohol misuse 2.25 (2.08 −2.43) Anxiety (diagnosis) 1.36 (1.07 −1.65)
15 Severe mental illness 2.42 (2.26 −2.58) Substance misuse 2.20 (2.03 −2.38) Substance misuse 1.23 (0.95 −1.51)
16 Cholelithiasis 2.02 (1.88 −2.17) Cholelithiasis 2.11 (1.95 −2.29) Female infertility 1.18 (0.91 −1.45)
17 Substance misuse 1.98 (1.84 −2.13) Severe mental illness 2.07 (1.91 −2.24) Endometriosis 1.05 (0.79 −1.31)
18 Eating disorder 1.88 (1.74 −2.02) Eating disorder 1.80 (1.65 −1.97) Hypertension 0.93 (0.69 −1.18)
19 Endometriosis 1.68 (1.55 −1.82) Inflammatory arthritis 1.40 (1.27 −1.55) Diabetes mellitus 0.79 (0.57 −1.01)
20 Inflammatory arthritis 1.46 (1.34 −1.59) Endometriosis 1.31 (1.18 −1.45) Psoriasis 0.71 (0.50 −0.92)
  1. Common mental health disorders (CMHD): anxiety or depression by prescription (drug phenome using community prescription data) if the woman doesn’t already have a ICD-10 diagnosis code; other chronic headaches: tension headaches, cluster headaches, chronic headaches; other mental health conditions: obsessive compulsive disorder, self-harm, personality disorder, dissociative disorder; other skin conditions: seborrheic dermatitis, rosacea, lichen planus, hidradenitis suppurativa; severe mental illness (SMI): bipolar disorder, schizophrenia, psychosis or meeting drug phenome for SMI; GORD gastroesophageal reflux disease, IBS Irritable bowel syndrome, PCOS polycystic ovarian syndrome