Premium
Investigation of folate intake and metabolism in women who have had two pregnancies complicated by neural tube defects
Author(s) -
Wild Jennifer,
Seller Mary J.,
Schorah Christopher J.,
Smithells Richard W.
Publication year - 1994
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.1994.tb13109.x
Subject(s) - medicine , physiology , folic acid , ingestion , pregnancy , neural tube defect , orange juice , vitamin , vitamin c , endocrinology , fetus , biology , food science , genetics
Object To investigate folate intake and blood levels of folic acid and vitamin C in women with and without a history of two NTD‐affected pregnancies and to measure the increase in serum folate following ingestion of orange juice. Subject Sixteen women with a history of two NTD‐affected infants and 16 controls with no such history, none of whom were either pregnant or taking vitamin supplements. The orange juice loading test was carried out on eight matched pairs. Main outcome measures Dietary intake of folate was assessed by questionnaire and blood levels of folate and vitamin C were measured. Results There was no evidence of decreased intake of folate in subjects who had had two NTD‐affected pregnancies. In controls, both serum and red cell folate showed significant correlation with dietary folate, while in subjects there was no such correlation. Subjects also had smaller increases in serum folate following an oral load than controls, although the differences were not significant. Conclusion Women who have had two NTD‐affected pregnancies may have defective folate metabolism. Further investigations on short term utilisation of ingested food folates in these women are required.