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Factors Associated With Inadequate Gestational Weight Gain: A Prospective Multicenter Cohort Study.

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Summary
This summary is machine-generated.

Inadequate gestational weight gain (GWG) is common in Japan, linked to low pre-pregnancy BMI. Healthcare provider advice and individual targets significantly impact GWG, especially in multiparous women.

Keywords:
body mass indexhealth personnellow birth weightmaternal health servicesmorning sicknessthinness

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Public Health Nutrition

Background:

  • Inadequate gestational weight gain (GWG) is a significant concern in Asia, particularly Japan, impacting birth outcomes.
  • Identifying risk factors for inadequate GWG is crucial for improving maternal and infant health.
  • Previous research highlights associations between GWG and birth weight, as well as premature birth.

Purpose of the Study:

  • To identify risk factors for inadequate GWG in Japanese women.
  • To investigate the influence of women's target GWG and healthcare professionals' advice on GWG.
  • To differentiate risk factors between primiparous and multiparous women.

Main Methods:

  • A questionnaire was administered to 626 women in their second trimester of pregnancy.
  • Data collected included pre-pregnancy body mass index (BMI), current weight, individual GWG targets, and GWG advice received from healthcare professionals.
  • Participants were categorized into inadequate GWG and adequate GWG groups based on established guidelines.

Main Results:

  • Over half (52.6%) of the participants experienced inadequate GWG.
  • Inadequate GWG was significantly associated with a pre-pregnancy BMI below 18.5 kg/m² and lower weight in the second trimester.
  • Among multiparous women, inadequate GWG correlated with lower individual GWG targets, lack of professional advice, and advised GWG below guidelines. No such associations were found in primiparous women.

Conclusions:

  • Healthcare professionals require updated knowledge of GWG guidelines to provide effective advice.
  • Preconception care emphasizing a BMI of at least 18.5 kg/m² is vital for preventing inadequate GWG.
  • Targeted interventions addressing individual GWG goals and professional guidance are needed, particularly for multiparous women.