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Human Reproduction, Vol. 16, No. 8, 1777, August 2001
© 2001 European Society of Human Reproduction and Embryology

Letters to the editor

Blood pressure during pregnancy, sex ratio of offspring and reproductive hormone concentrations

P. Kristiansson and Jim Wang

Section of Family Medicine, Department of Public Health and Caring Sciences, Uppsala University SE-751 85 Uppsala, Sweden Department of Obstetrics and Gynaecology, University of Adelaide, South Australia, Australia

Dear Sir,

There is increasing evidence on the importance of the fetal uterine environment regarding diseases in later life (Barker, 1998Go). In addition, a well-regulated blood glucose level is important among women with diabetes at time of conception to avoid fetal malformations (Greene, 1993Go). If the hypotheses by James are proved right the hormonal concentrations at the time of conception would also be important not only to the sex of the fetus but also to maternal disease during pregnancy such as hypertension.

James hypothesizes that a lower concentration of progesterone at the time of conception relates to higher blood pressure in late pregnancy. This is supported by the findings in our study (Kristiansson and Wang, 2001Go) provided there is a high correlation between progesterone values at conception and gestational weeks 8–10. Unfortunately, we have no data from the time of conception to resolve this issue.

References

Barker, D.J.P. (1998) Mothers, babies and health in later life. Churchill Livingstone (2nd edn) Edinburgh.

Greene, M.F. (1993) Prevention and diagnosis of congenital anomalies in diabetic pregnancies. Clin. Perinatol., 20, 533–547.[Web of Science][Medline]

Kristiansson, P. and Wang, J. (2001), Reproductive hormones and blood pressure during pregnancy. Hum. Reprod., 16, 13–17.[Abstract/Free Full Text]


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This Article
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