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Relationships between sex hormones assessed in amniotic fluid, and maternal and umbilical cord serum: What is the best source of information to investigate the effects of fetal hormonal exposure?

van de Beek, Cornelieke, Thijssen, Jos H. H., Cohen-Kettenis, Peggy T., Van Goozen, Stephanie Helena Maria and Buitelaar, Jan K. 2004. Relationships between sex hormones assessed in amniotic fluid, and maternal and umbilical cord serum: What is the best source of information to investigate the effects of fetal hormonal exposure? Hormones and Behavior 46 (5) , pp. 663-669. 10.1016/j.yhbeh.2004.06.010

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Abstract

Levels of testosterone (T) (total and free), androstenedione (A4), dehydroepiandrosterone sulphate (DHEAS), sex hormone-binding globulin (SHBG), and estradiol (E2) were measured by radioimmunoassay (RIA) in 156 normal pregnancies (77 male and 79 female fetuses). Samples were obtained from amniotic fluid, 2nd and 3rd trimester maternal serum, and umbilical cord serum at birth. During the critical period of brain differentiation, at the beginning of the second trimester of pregnancy, sex differences in T and A4 were found in amniotic fluid and not in maternal serum. This finding adds to the fact that mostly low and nonsignificant correlations were found for the different androgenic hormones between levels assessed in amniotic fluid and maternal plasma at this particular and very sensitive period of fetal brain development. On the other hand, high correlations were found for the same hormones between the samples of maternal serum in the 2nd and the 3rd trimester. Our data show that, of all available sources, amniotic fluid seems to be the best candidate to investigate the effects of early fetal androgen exposure.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RG Gynecology and obstetrics
Uncontrolled Keywords: Amniotic fluid; Androgens; Fetal development; Pregnancy; Sex hormones
Publisher: Elsevier
ISSN: 0018-506x
Last Modified: 04 Jun 2017 04:10
URI: http://orca.cf.ac.uk/id/eprint/33806

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