scholarly journals Social Inequalities in Prenatal Folic Acid Supplementation: Results from the ELFE Cohort

Nutrients ◽  
2019 ◽  
Vol 11 (5) ◽  
pp. 1108 ◽  
Author(s):  
Aurore Camier ◽  
Manik Kadawathagedara ◽  
Sandrine Lioret ◽  
Corinne Bois ◽  
Marie Cheminat ◽  
...  

Most professional and international organizations recommend folic acid supplementation for women planning pregnancy. Various studies have shown high levels of non-compliance with this recommendation. This study aimed to identify sociodemographic characteristics related to this compliance. The analyses were based on 16,809 women from the French nationwide ELFE cohort (Etude Longitudinale Française depuis l’Enfance). Folic acid supplementation was assessed at delivery, and sociodemographic characteristics were collected at two months postpartum. The association between sociodemographic characteristics and compliance with recommendations on folic acid supplementation (no supplementation, periconceptional supplementation, and supplementation only after the periconceptional period) was examined using multivariate multinomial logistic regression. Only 26% of French women received folic acid supplementation during the periconceptional period, 10% of women received supplementation after the periconceptional period, and 64% received no supplementation. Young maternal age, low education level, low family income, multiparity, single parenthood, maternal unemployment, maternal overweight, and smoking during pregnancy were related to lower likelihood of folic acid supplementation during the periconceptional period compared to no supplementation. These associations were not explained by unplanned pregnancy. Immigrant and underweight women were more likely to receive folic acid supplementation after the periconceptional period. Our study confirms great social disparities in France regarding the compliance with the recommendations on folic acid supplementation.

2019 ◽  
Vol 57 (6) ◽  
pp. 678-686
Author(s):  
Vivienne J. Mendonca

Background: Orofacial clefts are the most common congenital anomaly worldwide. Cleft etiology appears to be multifactorial, with genetic and environmental components. Although periconceptional folic acid supplementation has been shown to be protective for neural tube defects, current evidence for its role in cleft prevention is mixed with few studies from low- and middle-income countries. Aim: To investigate the association between periconceptional folic acid intake and incidence of nonsyndromic orofacial clefts among infants in Bangalore, India. Methods: A hospital-based case–control study (106 cases, 212 controls) utilizing a questionnaire to collect data on prenatal supplements, dietary folate, and potentially confounding factors. Multivariate logistic regression analysis was used to assess relationships between folic acid supplementation and all nonsyndromic clefts, and in separate analyses for cleft lip and/or palate (CL/P) and cleft palate (CP), adjusting for statistically significant variables. Results: A statistically significant protective association was found for separate folic acid supplements (not combined with iron or multivitamins) taken in the periconceptional period and all clefts combined (adjusted odds ratio [OR]: 0.62, 95% confidence interval [CI], 0.45-0.86) and CL/P (adjusted OR: 0.57; 95% CI, 0.38-0.86). Higher levels of dietary folate were found to be associated with a reduced risk for all clefts (adjusted OR: 0.98, 95% CI, 0.96-0.99), CL/P (adjusted OR: 0.98, 95% CI, 0.96-0.99), and CP (adjusted OR: 0.96, 95% CI, 0.93-0.99). Conclusion: This study provides limited evidence for a protective association of periconceptional folic acid supplementation with nonsyndromic orofacial clefts. The low proportion of mothers taking folic acid supplements in the periconceptional period highlights the need for increased education and awareness regarding prenatal nutrition.


2021 ◽  
pp. 1-9
Author(s):  
Céline Miani ◽  
Angelique Ludwig ◽  
Ina-Merle Doyle ◽  
Jürgen Breckenkamp ◽  
Chantal Hoeller-Holtrichter ◽  
...  

Abstract Objective: Official German recommendations advise women to start taking folic acid supplementation (FAS) before conception and continue during the first pregnancy trimester to lower the risk of birth defects. Women from lower socio-economic background and ethnic minorities tend to be less likely to take FAS in other European countries. As little is known about the determinants of FAS in Germany, we aimed to investigate the association between FAS and formal education and migration background, adjusting for demographic factors. Design: We used data (2013–2016) on nutrition and socio-economic and migration background from the baseline questionnaire of the BaBi cohort study. We performed multivariate regressions and mediation analyses. Setting: Bielefeld, Germany. Participants: Nine-hundred forty-seven women (pregnant or who had given birth in the past 2 months). Results: 16.7% of the participants (158/947) did not use FAS. Migration-related variables (e.g. language, length of stay) were not associated with FAS in the adjusted models. FAS was lower in women with lower level of formal education and in unplanned pregnancies. Reasons given by women for not taking FAS were unplanned pregnancy and lack of knowledge of FAS. Conclusions: Health practitioners may be inclined to see migrant women as an inherently at-risk group for failed intake of FAS. However, it is primarily women who did not plan their pregnancy, and women of lower formal education level, who are at risk. Different public health strategies to counter low supplementation rates should be supported, those addressing the social determinants of health (i.e. education) and those more focused on family planning.


2020 ◽  
Vol 7 ◽  
pp. 2333794X2093942
Author(s):  
Zebenay Workneh Bitew ◽  
Teshager Worku ◽  
Anmut Alebel ◽  
Ayinalem Alemu

Neural tube defects remain a major problem in developing countries, but there are limited comprehensive national reports to date in Ethiopia. Therefore, this study aimed to assess the prevalence of neural tube defects and associated factors in Ethiopia. Electronic databases and other sources were used to retrieve studies. Fifteen out of 862 studies were included in the final analysis. The estimated pooled prevalence of neural tube defects among children in Ethiopia was 63.3 cases per 10 000 children. The pooled prevalence of spinal bifida, anencephaly, and encephalocele was 41.09, 18.90, and 1.07 per 10 000 children, respectively. Previous family history and unplanned pregnancy were risk factors for neural tube defects. Folic acid supplementation during the first trimester of pregnancy was found to be protective. Neural tube defects are widespread in Ethiopia. Hence, fortification of food with folic acid or folic acid supplementation during childbearing age is recommended.


2012 ◽  
Vol 1 (1) ◽  
pp. 9 ◽  
Author(s):  
Nilgün Tekkeşin ◽  
Figen Taser

Intake of folic in the periconceptional period reduces the risk of neural tube defects (NTDs). The aim of this study was to assess the level of awareness regarding the use of folic acid in pregnacy. We assessed the consumption of folic acid during pregnancy among Turkish women presented to the hospital and analyzed the difference of folic acid supplementation between planned and unplanned pregnancies. Of the 1076 women, 677 (62.9%) reported current use of a prenatal folic acid at the time of the department visit, while 399 pregnant women (37.0%) identified themselves as non-users (p = 0.006). In the unplanned pregnancy group, 302 (65.22%) women reported taking folic acid during pregnancy, but 161 (34.77%) women began three months prior to conception as recommended by their gynecologists (p<0.0001). Although, the study group was a significant user with a high awareness of folic acid, our findings may not be generalizable to other areas of the country. Because, parcitipants were likely to be one of the most educated group with a medium or high socio-economical status. Besides these hopeful results, we believe the necessity to re-evaluate our educational strategies and consider reduction of unplanned pregnancies as part of our goals. 


2018 ◽  
Vol 29 (8) ◽  
pp. 3390-3397 ◽  
Author(s):  
Xinyan Wang ◽  
Wen Li ◽  
Zhenshu Li ◽  
Yue Ma ◽  
Jing Yan ◽  
...  

Abstract Maternal folic acid supplementation during pregnancy is associated with improved cognitive performances in offspring. However, the effect of supplementation on offspring’s neurogenesis and synaptogenesis is unknown, and whether supplementation should be continued throughout pregnancy is controversial. In present study, 3 groups of female rats were fed a folate-normal diet, folate-deficient diet, or folate-supplemented diet from 1 week before mating until the end of pregnancy. A fourth group fed folate-normal diet from 1 week before mating until mating, then fed folate-supplemented diet for 10 consecutive days, then fed folate-normal diet until the end of pregnancy. Offspring were sacrificed on postnatal day 0 for measurement of neurogenesis and synaptogenesis by immunofluorescence and western blot. Additionally neural stem cells (NSCs) were cultured from offspring’s hippocampus for immunocytochemical measurement of their rates of proliferation and neuronal differentiation. The results demonstrated that maternal folic acid supplementation stimulated hippocampal neurogenesis by increasing proliferation and neuronal differentiation of NSCs, and also enhanced synaptogenesis in cerebral cortex of neonatal offspring. Hippocampal neurogenesis was stimulated more when supplementation was continued throughout pregnancy instead of being limited to the periconceptional period. In conclusion, maternal folic acid supplementation, especially if continued throughout pregnancy, improves neurogenesis and synaptogenesis in neonatal offspring.


2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Khenata Forci ◽  
El Arbi Bouaiti ◽  
Mohamed Hassan Alami ◽  
Asmaa Mdaghri Alaoui ◽  
Amal Thimou Izgua

Abstract Background Neural tube defects (NTDs) are a group of birth defects that result from a partial or complete failure of the neural tube to close during embryogenesis. Their prevalence varies between 0.5 to 2 per 1000 births in countries without folic acid supplementation. The aim of our study is to assess the NTDs incidence and describe the risk factors within Moroccan newborn infants. Method This is a descriptive study over a period of 5 and a half years including all births at “Les Orangers” Maternity and Reproductive Health Hospital of Rabat with notification of NTD cases, whether isolated or combined with other anomalies. Data were reported on pre-established sheets and on the teratovigilance registry. Statistical analysis was performed with SPSS version 18 statistical software. Results During the study period, 43,923 births were recorded including 44 cases of neural tube defects, an incidence rate of 1 per 1000 births, with a female predominance; sex ratio = 0.8. These defects included anencephaly (50%), spina bifida (38.6%) and encephalocele (11.4%). The risk factors detected during this study include consanguinity (34%), consumption of fenugreek or other plants (36%), diabetes (4.5%) and medication (2.2%). A family history of malformation was reported in 6.8% of cases and among siblings in 4.5% of cases. The average maternal age was 30.38 ± 6.88 and the average gestational age was 36.80 ± 5.11. A quarter of mothers did not benefit from any medical monitoring during pregnancy while 59% did not take folic acid supplementation during the first trimester of pregnancy and none of them took B9 vitamin during the periconceptional period. The antenatal diagnosis was performed in 63% of cases. The mortality rate was 3.8 per 10,000 and 16% of cases evolved positively. Conclusion NTDs require high intensity and multidisciplinary care which stresses the importance, in our context, of strengthening and optimizing acid folic supplementation strategies during the periconceptional period.


2015 ◽  
Vol 19 (1) ◽  
pp. 176-189 ◽  
Author(s):  
Sandra Gomes ◽  
Carla Lopes ◽  
Elisabete Pinto

AbstractObjectiveTo summarize the recommendations on folate intake and folic acid supplementation and fortification in the periconceptional period, aimed at prevention of neural tube defects (NTD), provided by official health organizations in different countries worldwide and WHO.DesignInformation on recommendations for folate and folic acid intake in the periconceptional period was gathered from the websites of official national health organizations of several countries worldwide and from the WHO website.SettingWHO, selected developed countries and emerging economies, totalling thirty-six countries worldwide (some European, BRICS, G8, Asian Tiger/Asian Dragon and Australia).ResultsRecommendations differ between countries, although the majority (69·4 %) recommend a healthy diet plus a folic acid supplement of 400 µg/d from preconception (4–12 weeks) until the end of the first trimester of pregnancy (8–12 weeks). The same recommendation is issued by the WHO. Dosages for women at high risk of NTD are up to 4–5 mg/d (for 41·7 % of studied countries). The recommended intake for folate is in the range of 300–400 µg/d for women of childbearing age and 500–600 µg/d for pregnant women in different countries and WHO. Five countries emphasize the importance of a healthy diet rendering supplementation needless. By contrast, five others advise a healthy diet and supplementation plus mandatory fortification. Only one mentions the importance of ensuring an adequate folate status and refers to checking with a health-care provider on the need for supplements.ConclusionsDifferent recommendations regarding folate and folic acid, seeking NTD prevention, are available worldwide; however, most countries and WHO focus on a healthy diet and folic acid supplementation of 400 µg/d periconceptionally.


2017 ◽  
Vol 2017 ◽  
pp. 1-5 ◽  
Author(s):  
Pietro Cavalli ◽  
Elena Ronda

The use of folic acid in the periconceptional period can prevent about 70% of neural tube defects (NTDs). In the remaining cases, no medical prevention is available, and those conditions should be defined as folate-resistant NTDs. Rodent models suggest that some folate-resistant NTDs can be prevented by inositol (myoinositol and chiroinositol) supplementation prior to pregnancy. Should folic acid be combined with myoinositol periconceptional supplementation to reduce the overall risk of NTDs even in humans? Hereafter, we discuss the results from the PONTI study that strongly support both the effectiveness and safety of myoinositol periconceptional supplementation in preventing human NTDs. We further report on the largest case series of pregnancies treated with myoinositol and folic acid. At our institution, a sequential study during 12 years involved mothers at risk of fetal NTDs, and 29 babies from 27 pregnancies were born after periconceptional combined myoinositol and folic acid supplementation. No case of NTDs was observed, despite the high recurrence risk in the mothers. Taken together, those data suggest that periconceptional folic acid plus myoinositol can reduce both the occurrence and recurrence risks of NTDs in a greater number of cases than folic acid alone.


2020 ◽  
Vol 6 (1) ◽  
pp. 00250-2019
Author(s):  
Jufen Liu ◽  
Zhiwen Li ◽  
Rongwei Ye ◽  
Jianmeng Liu ◽  
Aiguo Ren

BackgroundFolic acid supplementation is universally recommended for women of child-bearing age to prevent fetal neural tube defects (NTDs). Concerns have arisen over the potential risk for childhood allergy and asthma due to folic acid supplementation. We examined whether periconceptional supplementation with low-dose folic acid only was associated with an increased risk for allergy symptoms or asthma in offspring at 4–6 years of age.MethodsOut of 247 831 participating women enrolled in 1993–1996, 9090 were randomly selected and their children were followed up in 2000–2001. Information on mothers' demographic characteristics, folic acid supplementation and allergic diseases among children was collected. We used logistic regression to evaluate the association between folic acid intake and risk for allergic disease while adjusting for potential confounding factors.ResultsThe rate of allergy symptoms was 1.54% among children whose mothers had taken folic acid compared with 2.04% among those whose mothers had not taken folic acid, and the rate of asthma was 0.92% and 0.88%, respectively. Maternal folic acid supplementation was not associated with risk for allergy symptoms or asthma, with odds ratios (95% CI) of 0.80 (0.58–1.11) and 1.04 (0.67–1.61), respectively. No differences in the occurrence of allergy symptoms or asthma were observed when data were analysed by timing of supplementation or compliance with folic acid supplementation.ConclusionsSupplementation with low-dose folic acid only during the periconceptional period did not increase risk for allergy symptoms or asthma in children at 4–6 years of age in a population without staple fortification with folic acid.


Sign in / Sign up

Export Citation Format

Share Document