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A PROSPECTIVE STUDY OF PLASMA ANGIOTENSIN‐CONVERTING ENZYME IN NORMOTENSIVE PRIMIGRAVIDAE AND THEIR INFANTS
Author(s) -
Oats J. N.,
Pipkin Fiona Broughton,
Symonds E. M.,
Craven D. J.
Publication year - 1981
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.1981.tb01198.x
Subject(s) - prospective cohort study , medicine
Summary Plasma angiotensin‐converting enzyme (ACE) has been measured prospectively throughout pregnancy, at delivery and in the puerperium in 18 normotensive primi‐gravidae and their infants. Plasma ACE was consistently lower during pregnancy than in comparable, non‐pregnant controls, but rose progressively from about 30 weeks to term. At vaginal delivery maternal and fetal ACE levels did not differ significantly. There was a steady increase in maternal ACE activity up to 6 weeks post partum, when the levels were not significantly different from non‐pregnant controls. No correlation could be found between plasma ACE and plasma renin activity or concentration, or plasma AIL Plasma aldosterone increased in parallel with ACE during the last ten weeks of pregnancy.