Gestational diabetes & diabetes in pregnancy
Testing the feasibility of an intermittent low‐energy diet in women with gestational diabetes
Authors' conclusion
Our findings suggest that ILED may not be feasible in the third trimester in people with GDM.
Study context
- Population
- Women with Gestational Diabetes Mellitus (GDM) and BMI ≥27.5 kg/m² (≥25 kg/m² in high-risk minority ethnic groups) in the last trimester of pregnancy; intervention from recruitment (24–30 weeks gestation) until delivery
- Participants
- 26 women
- Comparison
- Intermittent low-energy diet (ILED) vs best NHS care healthy diet and exercise advice (BNC)
- ILEDn = 14
- BNCn = 12reference
- Primary endpoint
- Uptake, retention and adherence to the interventions
Methodological detailsfeasibility
- Feasibility
Primary result
As reported in the abstract
Uptake, retention and adherence
Feasible uptake rate
31%; n = 26
Received allocated intervention
73%
n = 19; ILED n = 10, BNC n = 9
Low study retention
58%; ILED n = 7; BNC n = 8
Low adherence to ILED, median (IQR) out of prescribed days
37%
8%–50%
Safety
- No adverse events specifically related to the ILED
Original publication
Testing the feasibility of an intermittent low‐energy diet in women with gestational diabetes. Diabet Med. Published 20 March 2026. doi:10.
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