Abstract:
:Maternal peptides from the hypothalamic-pituitary-adrenal (HPA) axis rise during human pregnancy. The effects of circulating maternal adrenocorticotropin (ACTH) and beta-endorphin (BE) on human fetal behavior was determined in 135 women during their 32nd week of gestation. Fetal behavior was measured by assessing heart rate habituation to a series of repeated vibroacoustic stimuli. Individual differences in habituation were determined by computing the number of consecutive responses above the standard deviation during a control period. There was no significant relation between levels of ACTH, BE and the rate of fetal heart rate habituation. However, an index of HPA disregulation (uncoupling of ACTH and BE) was related significantly to fetal behavior. Fetal exposure to high levels of maternal BE relative to ACTH was associated with significantly lower rates of habituation. Results indicate that maternal stress and stress-related peptides influence fetal response patterns. It is possible that this influence persists over the life span.
journal_name
Dev Neuroscijournal_title
Developmental neuroscienceauthors
Sandman CA,Glynn L,Wadhwa PD,Chicz-DeMet A,Porto M,Garite Tdoi
10.1159/000071467keywords:
subject
Has Abstractpub_date
2003-01-01 00:00:00pages
41-9issue
1eissn
0378-5866issn
1421-9859pii
71467journal_volume
25pub_type
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