Factors Associated With Inadequate Gestational Weight Gain: A Prospective Multicenter Cohort Study.
Satoko Aoyama, Megumi Haruna, Kaori Yonezawa and 9 others
PMID 39914995WHAT IT FOUND
Inadequate gestational weight gain was common, affecting 52.6% of women.
Low pre-pregnancy BMI and weight loss in the second trimester predicted inadequate gain for all. For mothers with previous children, receiving no advice or advice below guidelines also increased the risk.
Key findings
01Pre-pregnancy BMI below 18.5 kg/m2 and weight in the second trimester lower than pre-pregnancy weight were associated with inadequate gestational weight gain regardless of parity.
02Among multiparous women, having a target weight gain below guidelines, receiving no advice, or receiving advice below guidelines were associated with inadequate gestational weight gain.
03Two-thirds of participants did not receive advice on gestational weight gain from healthcare professionals.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Pre-pregnancy weight was self-reported, which may introduce inaccuracy and social desirability bias. The study period coincided with the 2021 guideline revision and the COVID-19 pandemic, meaning some advice may have been based on older guidelines and lifestyle factors were not fully assessed. Weight measurements were taken at varying gestational weeks in the second trimester, preventing a clear indicator of weekly weight gain. Women who delivered at a facility different from where they had checkups had missing weight data during the process.
Declared interests
The authors declare no conflicts of interest.
The easy way to misread this
Do not assume that advice on gestational weight gain is equally influential for all pregnant women. The study found that target weight gain and professional advice were only significantly associated with inadequate gain in multiparous women, not primiparous women.