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Intra- and inter-individual variability of fatty acid composition of the follicular fluid in a cohort of 23 women undergoing assisted reproductive treatment.

Abstract：

PURPOSE:To examine the intra- and inter-individual variability in fatty acid composition of follicular fluid (FF) of 23 patients undergoing assisted reproductive treatment. METHODS:The average coefficient of variation within each patient (CVw) and intra-class correlation coefficient (ICC) values of FF fatty acid composition as well as correlation between the fatty acid composition of individual, pooled or first-punctured follicles, were assessed. RESULTS:The proportions of 16:0, 18:0, cis-9 18:1, 18:2n-6, 20:5n-3, total MUFA and n-3 PUFA showed good reproducibility (CVw < 10%). Although CVw values of 18:3n-3 and 20:3n-6 exceeded 10%, variation between patients exceeded intra-individual variation as indicated by elevated ICC values (0.61 and 0.66, respectively). Nevertheless, 20:4n-6 and 22:6n-3 showed non-negligible intra-patient variation. With the exception of some minor fatty acids (< 0.30 g/100 g), strong relationships were demonstrated between the average proportion in individually analysed follicles and the proportion determined in pooled samples and in the first, largest follicle. CONCLUSION:The CVw and ICC values of proportions of 16:0, 18:0, cis-9 18:1, 18:2n-6, 18:3n-3, 20:5n-3, total MUFA and n-3 PUFA showed limited intra-individual variation and moderate to good reliability. However, this is not the case for some other PUFA, such as 20:4n-6 and 22:6n-3. Nevertheless, for all of these fatty acid(s) (groups), calculated average fatty acid proportions were highly correlated with proportions determined in pooled samples and in the first, largest follicle. This implies that single or pooled follicle aspiration suffices to assess intra-individual variation in the FF of these fatty acids.

journal_name

J Assist Reprod Genet

journal_title

Journal of assisted reproduction and genetics

authors

Liu YJ,Vlaeminck B,Tilleman K,Chouinard PY,Gervais R,De Sutter P,Fievez V

doi

10.1007/s10815-019-01669-6

subject

Has Abstract

pub_date

2020-03-01 00:00:00

pages

649-655

issue

eissn

1058-0468

issn

1573-7330

pii

10.1007/s10815-019-01669-6

journal_volume

pub_type

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Intra- and inter-individual variability of fatty acid composition of the follicular fluid in a cohort of 23 women undergoing assisted reproductive treatment.