A recent study published in the JAMA Network Open found that women residing in socioeconomically disadvantaged neighborhoods in the United States (USA) have moderately lower chances of conception without fertility treatment.
Study: Association between neighborhood disadvantage and fertility among pregnancy planners in the US. Image credit: Chinnapong / Shutterstock
Fund
Infertility imposes a huge economic burden on the US and its prevalence among couples belonging to the reproductive age group is 10 to 15%.
Fertility is a measure that represents the probability of conceiving a couple during a menstrual cycle. Modifiable risk factors that are thought to influence fertility are lifestyle and behavioral changes. Recently, it has been observed that structural, political, and environmental factors also influence this fertility metric.
Socio-economically, the neighborhood environment includes aspects such as access to education, household income, employment and the quality of housing. Emerging evidence suggests that a disadvantaged socioeconomic environment in the neighborhood may affect a community’s reproductive health outcomes. Confusion factors that associate neighborhood socioeconomic disadvantage with fertility include stress, allostatic load, and cortisol levels.
The study
This was a prospective cohort study conducted in American couples attempting a spontaneous pregnancy that aimed to establish a correlation between residency in a disadvantaged neighborhood and fertility. The national and state classification of disadvantaged neighborhood status was considered.
For six (consecutive) years, until 2019, women of reproductive age in the contiguous United States completed a questionnaire asking about their sociodemographic and lifestyle characteristics, medical and drug history, and reproductive health.
A total of 6,356 participants had 3,725 pregnancies that occurred during the study period and 27,427 menstrual cycles in all 48 U.S. states.
Most participants were non-Hispanic and nulliparous white individuals, with at least 16 years of education. In addition, the average annual household income of most participants was higher than that of the general population.
It was noted that participants at the national level from disadvantaged neighborhoods were younger and had lower educational levels and had less family income. In addition, smoking was more common in this group and had a lower likelihood of being identified as non-Hispanic white individuals.
State-level characteristics were consistent; however, the differences seemed more noticeable. Spearman’s correlation between national and within-state area deprivation index (ADI) rankings, which estimates relative disadvantage in a neighborhood or community, was 0.76. IDA is associated with the health outcomes of a population.
There was an inverse correlation between IDA and fertility in participants residing in a region with an IDA> 60. The fertility ratio (FR) showed an inverse linear relationship with IDA, while fertility represented reductions. 19% and 21% in the comparison between the most. disadvantaged neighborhoods and less-favored neighborhoods, respectively.
In addition, the statewide ranking indicated an inverse relationship between IDA and fertility among participants residing in neighborhoods with an IDA> 5. On the other hand, when the most disadvantaged neighborhoods were compared with the least disadvantaged. , the FR accounted for 25% and 23% reductions in respective fertility.
Subgroup analysis focused primarily on statewide ADI ranking, which showed an inverse association of IDA with fertility in participants with annual family incomes of <$ 50,000.
In addition, participants with pregnancy attempts during In addition, the results were less surprising when adjustments were made by race, ethnicity, and educational level. The overall results seemed lower after confusing family income. The findings highlighted the association of socioeconomically disadvantaged neighborhood environments with compromised reproductive health. Strategies aimed at bridging the socioeconomic gap can help improve reproductive health and fertility in these communities.Conclusions