Maternal estradiol response to alterations in uteroplacental blood flow.


Low levels of maternal estrogens are commonly regarded as indicators of fetal stress. We continuously monitored distal aortic blood flow by flowmeter, fetal heart rate, and amniotic fluid pressure in seven pregnant baboons near term. Four of the animals received a constant intravenous infusion of [7-3H]dehydroepiandrosterone and [4-14C]estradiol for 270… (More)


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