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Amniotic fluid pressure during pregnancy
1Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London, UK.
Intrauterine pressure was measured, at the time of diagnostic amniocentesis or cordocentesis, in 200 pregnancies at 10-38 weeks' gestation. Mean pressure decreased exponentially with gestation from 9 mm Hg at 10 weeks reaching a plateau of 5 mm Hg at 30 weeks. These findings are compatible with Laplace's law of pressure in spheroids.
Intrauterine pressure was measured, at the time of diagnostic amniocentesis or cordocentesis, in 200 pregnancies at 10-38 weeks' gestation. Mean pressure decreased exponentially with gestation from 9 mm Hg at 10 weeks reaching a plateau of 5 mm Hg at 30 weeks. These findings are compatible with Laplace's law of pressure in spheroids.