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Observational Study
. 2025 Apr 15;25(1):451.
doi: 10.1186/s12884-025-07577-1.

Comparative differences in metabolic, mental health and perinatal outcomes of women with gestational diabetes in Ghana and Switzerland: the G-MUM study

Dan Yedu Quansah  1 , Kelvin Yeboah  2 , Floriane Schweitzer  3 , Sandra Yedu Quansah  4 , Evans Kofi Agbeno  5 , Antje Horsch  6   7 , Katrien Benhalima  8 , A Kofi Amegah #  2 , Jardena J Puder #  3
Affiliations
Observational Study

Comparative differences in metabolic, mental health and perinatal outcomes of women with gestational diabetes in Ghana and Switzerland: the G-MUM study

Dan Yedu Quansah et al. BMC Pregnancy Childbirth. .

Abstract

Background: Gestational diabetes mellitus (GDM) prevalence (9-15%) is similar in Ghana and Switzerland, despite differences in sociodemographic characteristics, lifestyle, and healthcare systems. Contrary to Switzerland, data on the metabolic and mental health outcomes of women with GDM in Ghana is lacking. We compared the metabolic, mental health, and perinatal outcomes of GDM during pregnancy in Ghana and Switzerland.

Methods: This prospective observational study included 170 women with GDM from two cohorts (n = 88 in Switzerland, n = 82 in Ghana) who were followed-up until delivery. Primary outcomes were metabolic [HbA1c, gestational weight gain (GWG)], well-being (WHO-5), and depression symptoms (EPDS) during pregnancy. Secondary outcomes were obstetric and neonatal outcomes. Differences in metabolic, mental health and perinatal outcomes were tested using ANOVA, Chi-square test or ANCOVA when appropriate. For the perinatal outcomes, we adjusted for metabolic confounders.

Results: Compared to the Swiss cohort (SC), the Ghana cohort (GC) had a higher pre-pregnancy weight (79.8 ± 18.0 vs. 71.8 ± 15.3 kg, p = 0.003) and BMI (30.8 ± 6.6 vs. 26.5 ± 4.9 kg/m2, p < 0.001), lower total GWG (6.2 ± 5.4 vs. 11.3 ± 5.8 kg, p < 0.001), but similar BMI-based excessive weight gain, higher fasting glucose (7.1 ± 2.4 vs. 5.1 ± 0.7 mmol/l) and HbA1c at GDM diagnosis (5.6 ± 1.0 vs. 5.3 ± 0.3%; both p ≤ 0.019), higher prevalence of previously undiagnosed pre-existing diabetes before 15-weeks gestational age (35.4% vs. 9.4%) and of metformin-treated women (84% vs. 1.1%, both p ≤ 0.001). The GC had higher well-being scores (74.4 ± 17.6 vs. 59.8 ± 18.3, p < 0.001), but similar symptoms of depression scores. In the GC, LGA (30% vs. 17%), and NICU hospitalizations (42% vs. 15%) were higher (all p ≤ 0.044) independent of HbA1c and pre-pregnancy BMI.

Conclusion: Women in the GC had worse metabolic outcomes but improved mental health during pregnancy. In this context, LGA and neonatal hospitalisations were higher, independent of HbA1c and pre-pregnancy BMI. Our results suggest the need for specialized GDM clinics in Ghana to improve metabolic and perinatal outcomes in women with GDM.

Keywords: Eating behaviour; Ghana; Mental health, gestational diabetes; Metabolic; Neonatal; Obstetric; Switzerland.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: The Human Research Ethics Committee of the Canton de Vaud (326/15) and the University of Cape Coast Institutional Review Board (UCCIRB/EXT/2021/39) approved the study protocols for the SC and the Ghana cohort (GC) respectively. All participants signed an informed consent. Consent for publication: Not applicable. Competing interests: The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Glucose-lowering medication treatment during pregnancy in both cohorts. Compared to the Swiss cohort, 84% of women in the Ghana cohort received metformin compared to only 1% of the Swiss chort. On the other hand, 27% of the Swiss cohort received insulin compared to 7% of the Ghana cohort
Fig. 2
Fig. 2
Obstetric and neonatal outcomes in both cohorts. Compared to the Swiss cohort, Women in the Ghana cohort had sinficantly higher rates of C-section, LGA, SGA, and NICU hospitalizations (** denotes p < 0.04, *** denotes p ≤ 0.02)
See this image and copyright information in PMC

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