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The Bariatric sUrgery and Maternal nutrition in Pregnancy (BUMP) Study

The Bariatric sUrgery and Maternal nutrition in Pregnancy Study: A prospective cohort study investigating the impact of bariatric surgery prior to pregnancy on nutrition status, maternal and offspring outcomes

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ANZCTR
Registry ID
ACTRN12623000495628
Acronym
BUMP
Enrollment
35
Registered
2023-05-15
Start date
2022-06-01
Completion date
2024-06-30
Last updated
2023-05-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

Aim: The overall aim of this research is to report on maternal weight status prior to pregnancy and nutrition status (weight gain, oral intake, micronutrient deficiencies) during pregnancy after bariatric surgery and its association with maternal and offspring outcomes.

Interventions

Women in The BUMP Study complete online questionnaires at enrolment (<22 weeks gestation), 28-weeks and 36-weeks gestation. Each questionnaire takes about 10 minutes to complete and collects data about: Gestational weight gain Micronutrient supplementation and adherence Demographics (first survey only) Presence and severity of nutrition impact symptoms (nausea, vomiting, dumping syndrome, reflux, bowel dysfunction) Women will also complete 3x non-consecutive 24 hour recalls at each time po

Women in The BUMP Study complete online questionnaires at enrolment (<22 weeks gestation), 28-weeks and 36-weeks gestation. Each questionnaire takes about 10 minutes to complete and collects data about: Gestational weight gain Micronutrient supplementation and adherence Demographics (first survey only) Presence and severity of nutrition impact symptoms (nausea, vomiting, dumping syndrome, reflux, bowel dysfunction) Women will also complete 3x non-consecutive 24 hour recalls at each time point. Other data is collected from routine care from the medical record after birth.

Sponsors

Royal Brisbane Women's Hospital
Lead SponsorHospital

Eligibility

Sex/Gender
All
Age
18 Years to 45 Years
Healthy volunteers
No

Inclusion criteria

Less than or equal to 22 weeks gestation Birthing at a recruiting facility History of bariatric surgery English speaking Consenting

Exclusion criteria

Twin or triplet pregnancies Conditions that may impact micronutrient metabolism other than bariatric surgery (such as cystic fibrosis, chronic kidney disease, inflammatory bowel disease). Non-english speaking or otherwise unable to provide verbal and written consent

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026