Lei Zhendong,Yu Bo,Xu Jiajun,Cheng Bihui,Jin Min,Functional near-infrared spectroscopic imaging characteristics of depressed pregnant women in mid-to-late pregnancy and its relationship with depression[J].SICHUAN MENTAL HEALTH,2025,(6):505-510
Functional near-infrared spectroscopic imaging characteristics of depressed pregnant women in mid-to-late pregnancy and its relationship with depression
DOI:10.11886/scjsws20241203001
English keywords:Pregnant and postpartum women  Depression  Functional near-infrared spectroscopy  Clinical characteristics
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Author NameAffiliationPostcode
Lei Zhendong North Sichuan Medical College, Nanchong 637000, China
Sichuan Mental Health Center·The Third Hospital of Mianyang, Mianyang 621000, China 
621000
Yu Bo Sichuan Mental Health Center·The Third Hospital of Mianyang, Mianyang 621000, China 621000
Xu Jiajun Medical Health Center, West China Hospital, Sichuan University, Chengdu 610041, China 610041
Cheng Bihui Sichuan Mental Health Center·The Third Hospital of Mianyang, Mianyang 621000, China 621000
Jin Min* Sichuan Mental Health Center·The Third Hospital of Mianyang, Mianyang 621000, China 621000
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English abstract:
      Background Depression in mid-to-late pregnancy has significant negative effects on pregnant women and their offspring. Previous studies have shown that pregnant women with depression in mid-to-late pregnancy exhibit lower frontal lobe activation levels, but the activation phase and its impact on depression require further investigation.Objective To analyze the functional near-infrared spectroscopy (fNIRS) features of depressed pregnant women in mid-to-late pregnancy, and to provide references for assisting in the clinical screening of depression in them.Methods A total of 40 pregnant women in mid to late pregnancy with Edinburgh Postnatal Depression Scale (EPDS) score above 11 who underwent prenatal examination at the department of obstetrics of the Third Hospital of Mianyang from September 2023 to July 2024 were included as the study group. During the same period, 40 pregnant women in mid-to-late pregnancy with EPDS score below 11 who were matched with the age, family history, and past history of the study group were recruited as the control group. A self-designed questionnaire was used to collect basic information of the pregnant women. The fNIRS technique was used to measure the prefrontal and temporal lobe integral values and center of gravity values during the verbal fluency task (VFT) pregnant women in mid-to-late pregnancy. Spearman correlation analysis was conducted to examine the correlation between EPDS scores and fNIRS imaging features, as well as demographic characteristics, in mid-to-late pregnant women with depression. Multiple linear regression was used to analyze the influencing factors of depression symptoms in this population.Results Statistically significant differences were observed between the study group and the control group in terms of educational level and body mass index (BMI) (χ2/t=4.528, 2.292, P<0.05). The study group demonstrated a lower prefrontal integral value and a higher prefrontal center of gravity value compared with the control group (t=-7.601, 5.641, P<0.05). EPDS scores of depressed pregnant women in mid-to-late pregnancy were negatively correlated with prefrontal lobe integral value (r=-0.680, P<0.01), while positively correlated with prefrontal lobe center of gravity value and BMI (r=0.737, 0.604, P<0.01). Multiple linear regression analysis showed that age (β=-0.214, P<0.01), BMI (β=0.340, P<0.01), prefrontal integral value (β=-0.351, P<0.01), and prefrontal center of gravity value (β=0.347, P<0.01) were influencing factors of depressive symptoms in pregnant women in mid-to-late pregnancy.Conclusion The prefrontal lobe activation degree of depressed pregnant women in mid-to-late pregnancy is lower than that of non-depressed pregnant women, and the activation phase is delayed. Age, prefrontal lobe integral value, prefrontal center of gravity value and BMI may be the influencing factors of depressive symptoms in pregnant women in the middle and late pregnancy.
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