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. 2018 Nov 1;8(11):e022508.
doi: 10.1136/bmjopen-2018-022508.

Lumbopelvic pain, anxiety, physical activity and mode of conception: a prospective cohort study of pregnant women

Emeline Lardon  1   2 , Audrey St-Laurent  1 , Véronique Babineau  3 , Martin Descarreaux  1 , Stephanie-May Ruchat  1
Affiliations
Free PMC article

Lumbopelvic pain, anxiety, physical activity and mode of conception: a prospective cohort study of pregnant women

Emeline Lardon et al. BMJ Open. .
Free PMC article

Abstract

Objectives: Pregnancy-related lumbopelvic pain (LPP) is a frequent condition known to significantly affect women in their daily life. The aetiology of pregnancy-related LPP pain is still not clearly established but the mode of conception has been suggested to contribute to LPP. Anxiety related to fertility treatments may be one of the contributing factors. The primary objectives of this study were to determine the evolution of LPP prevalence and severity, and anxiety throughout pregnancy in women who conceived spontaneously (SP) or after fertility treatments (FT). A further aim was to examine the relationship between pregnancy-related LPP severity and anxiety. The secondary objective was to determine the evolution of physical activity and their correlation with the severity of pregnancy-related LPP.

Design: Prospective cohort study.

Setting: Pregnant women were recruited through physicians' referrals, posters and newspaper advertisements in the local and surrounding communities (hospital, maternity care clinic, prenatal centres, sports centres, local university) in the city of Trois-Rivières, Canada.

Participants: 59 pregnant women (33 SP and 26 FT) were assessed during the first, second and third trimester of pregnancy.

Primary and secondary outcome measures: Pregnancy-related LPP prevalence and severity (primary), trait and state anxiety, and physical activity levels (secondary).

Results: There was no relationship between the mode of conception and the outcome measures. The prevalence and severity of LPP increased over the course of pregnancy (time effect, p<0.0001) whereas trait anxiety decreased from early to mid-pregnancy (time effect, p=0.03). Activity limitations increased throughout pregnancy (time effect, p<0.0001) and physical activity levels decreased (time effect, p<0.0001). The severity of LPP was positively correlated with activity limitations (r=0.51 to 0.55) but negatively with physical activity levels (r=-0.39 to -0.41).

Conclusions: Maternal health-related factors, such as LPP, anxiety and physical activity, are not different in women who conceived spontaneously or after fertility treatments. The more LPP was severe, the more the women were physically limited and inactive.

Keywords: anxiety; fertility treatments; lumbopelvic pain; physical activity; pregnancy.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Prevalence of pregnancy-related lumbopelvic pain (LPP) in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 2
Figure 2
Evolution of pregnancy-related lumbopelvic pain (LPP) severity in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 3
Figure 3
Evolution of trait anxiety in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 4
Figure 4
Evolution of state anxiety in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 5
Figure 5
Evolution of activity limitations in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 6
Figure 6
Evolution of daily moderate-to-vigorous physical activity (MVPA) in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 7
Figure 7
Evolution of daily step counts in women who conceived spontaneously (SP) or after fertility treatments (FT) over the course of pregnancy. TR1: first trimester of pregnancy; TR2: second trimester of pregnancy; TR3: third trimester of pregnancy.
Figure 8
Figure 8
Correlation between the severity of pregnancy-related lumbopelvic pain (LPP) and activity limitations in the second trimester of pregnancy (TR2).
Figure 9
Figure 9
Correlation between the severity of pregnancy-related lumbopelvic pain (LPP) and daily moderate-to-vigorous physical activity (MVPA) in the second trimester of pregnancy (TR2).
Figure 10
Figure 10
Correlation between the severity of pregnancy-related lumbopelvic pain (LPP) and daily step counts in the second trimester of pregnancy (TR2).
Figure 11
Figure 11
Correlation between the severity of pregnancy-related lumbopelvic pain (LPP) and activity limitations in the third trimester of pregnancy (TR3).
Figure 12
Figure 12
Correlation between the severity of pregnancy-related lumbopelvic pain (LPP) and daily moderate-to-vigorous physical activity (MVPA) in the third trimester of pregnancy (TR3).
Figure 13
Figure 13
Correlation between the severity of pregnancy-related lumbopelvic pain (LPP) and daily step counts in the third trimester of pregnancy (TR3).
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