Diet during pregnancy is an important factor in determining the health of the developing fetus and neonate after birth. However, there is little known about how diet quality during pregnancy affects the development of food-related traits in the offspring.
A recent Appetite journal study examines the relationship between the quality of the mother’s diet during pregnancy and with appetitive traits of offspring at five years.
Study: Maternal Dietary Quality During Pregnancy and Child Appetitive Traits At 5-Years-Old: Findings from The ROLO Longitudinal Birth Cohort Study. Image Credit: Dusan Petkovic / Shutterstock.com
Appetitive traits refer to sustained predispositions towards food. This can include food approach traits, such as food responsiveness, emotional overeating, and food enjoyment, as well as food avoidant traits, like the speed of eating, satiety responsiveness, and food fussiness.
Diet during pregnancy is key to promoting a healthy birth and growth in the neonatal period. However, the impact of the mother’s diet during pregnancy could have more significant implications.
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According to the “Development of Origins of Health and Diseases” theory, brief exposures during early life, including a poor maternal diet during pregnancy or even before conception, may influence the development of the offspring and risk for diseases later in life.
There is some evidence suggesting an association between maternal food intake and fetal growth and development, as well as the effect of prenatal influences on the child’s acceptance of foods in early life.
Appetitive traits are classified as either genetic or learned, with fussy eating and food responsiveness considered genetic traits, whereas emotional undereating and overeating are often learned from the child’s environment. Both of these traits interact with each other to determine food habits that persist throughout the child’s life.
Sweet foods are typically preferred in infancy, whereas bitter flavors are often rejected. This preference could be explained as an innate mechanism to preserve an adequate intake of energy-rich foods while rejecting potential toxins.
In addition to this inborn response, children develop patterns of taste and flavor acceptance from the maternal diet during pregnancy and breastfeeding. Thus, it is theorized that early repeated exposures to multiple flavors may promote a wider range of food acceptance later on.
Taste buds become functional only during the third trimester and can then be stimulated by foods eaten by the mother through the amniotic fluid. However, the fetus experiences food odors and flavors earlier than this, which may determine food preferences later in life.
About the study
Earlier research has shown a strong correlation between excessive weight gain in childhood and the mother’s diet during pregnancy. Since appetitive traits are also important in childhood obesity, the current study examined how maternal diet was related to appetitive traits at five years of age in the offspring.
The current study used the Alternative Healthy Eating Index (AHEI-P) by the United States Department of Agriculture. AHEI-P was modified for pregnancy to determine maternal diet quality from three-day food diaries. The researchers also examined the intake of sugar-sweetened beverages (SSBs) over the same period.
The appetitive traits of the offspring were assessed by the Children’s Eating Behavior Questionnaire (CEBQ), which is parent-reported and includes eight eating behaviors and 35 items overall.
Demographic information, breastfeeding, period of weaning, the point when solid food was started, and maternal educational levels were also recorded.
The women included in the current study had a median age of 33 years and had an average maternal BMI of about 25. At the five-year time point, more than half of the women and about 25% of the children were considered overweight.
The mean AHEI-P was 54 in pregnancy and 55 for the group who also had CEBQ data after five years. Notably, mothers with higher AHEI-P scores during the first and second trimesters of pregnancy had lower mean ‘Desire to Drink’ scores in their children at five years of age.
The only association found in this analysis was for the Desire to Drink, with other appetitive traits failing to reveal any associations. Although little is known about how the presence of ‘Desire to Drink’ in children might contribute to their developmental and behavioral traits later in life, this characteristic may have long-term impacts on their appetite and dietary intake.
Less than half of the women with CEBQ data drank SSBs in pregnancy. In the first two trimesters, this was associated with a higher Desire to Drink in children at five years of age.
Women with the poorest diet quality were younger and had higher body weight at their first antenatal visit and after five years. However, the birthweight of the child, weight at five years, as well as other indices, failed to show any association with maternal diet quality.
- Delahunt, A., Conway, M. C., Callaghan, S. L., et al. (2022). Maternal Dietary Quality During Pregnancy and Child Appetitive Traits At 5-Years-Old: Findings from The ROLO Longitudinal Birth Cohort Study. Appetite. doi:10.1016/j.appet.2022.106291.
Posted in: Child Health News | Medical Research News | Women's Health News
Tags: Agriculture, Amniotic Fluid, Breastfeeding, Childhood Obesity, Children, Conception, Diet, Food, Genetic, Obesity, Pregnancy, Prenatal, Research, Toxins
Dr. Liji Thomas
Dr. Liji Thomas is an OB-GYN, who graduated from the Government Medical College, University of Calicut, Kerala, in 2001. Liji practiced as a full-time consultant in obstetrics/gynecology in a private hospital for a few years following her graduation. She has counseled hundreds of patients facing issues from pregnancy-related problems and infertility, and has been in charge of over 2,000 deliveries, striving always to achieve a normal delivery rather than operative.
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