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Kammerer M, Adams D, Castelberg Bv, et al. Pregnant women become insensitive to cold stress. BMC Pregnancy Childbirth. 2002;2(1):8doi: 10.1186/1471-2393-2-8.
Kammerer, M., Adams, D., Castelberg Bv, & Glover, V. (2002). Pregnant women become insensitive to cold stress. BMC pregnancy and childbirth, 2(1), 8. https://doi.org/10.1186/1471-2393-2-8
Kammerer, Martin, et al. "Pregnant women become insensitive to cold stress." BMC pregnancy and childbirth vol. 2,1 (2002): 8. doi: https://doi.org/10.1186/1471-2393-2-8
Kammerer M, Adams D, Castelberg Bv, Glover V. Pregnant women become insensitive to cold stress. BMC Pregnancy Childbirth. 2002 Nov 19;2(1):8. doi: 10.1186/1471-2393-2-8. PMID: 12437774; PMCID: PMC137604.
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BMC Pregnancy Childbirth. 2002 Nov 19;2(1):8. doi: 10.1186/1471-2393-2-8.

Pregnant women become insensitive to cold stress.

BMC pregnancy and childbirth

Martin Kammerer, Diana Adams, Brida von Castelberg Bv, Vivette Glover

Affiliations

  1. Wolfson and Weston Research Centre for Family Health, Institute of Reproductive and Developmental Biology, Faculty of Medicine, Imperial College, Hammersmith Campus, Du Cane Road, London, W12 0NN, UK. [email protected]

PMID: 12437774 PMCID: PMC137604 DOI: 10.1186/1471-2393-2-8

Abstract

BACKGROUND: The function of the hypothalamic-pituitary-adrenal (HPA) axis is known to be altered during pregnancy, but it has not been tested with a natural stressor. METHODS: A group of pregnant women (n = 10) were tested towards the end of pregnancy (mean 36.8 PlusMinus; 2.5 weeks gestation) and about 8 weeks postpartum (mean 7.8 PlusMinus; 1.5 weeks), together with a matched control group, with a one minute cold hand stressor test. Saliva samples were collected before and 10 and 20 minutes after the test, and stored for later radioimmunoassay of cortisol. RESULTS: The control group showed a highly significant response to the test. The pregnant group showed no response, and the postpartum group a variable but non significant one CONCLUSIONS: This shows that the HPA axis becomes hypofunctional to a natural stressor at the end of pregnancy. It is suggested that one possible evolutionary function for this is to protect the fetus from the stress responses of the mother.

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