Method and apparatus for monitoring the progress of labor
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United States of America Patent
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-
Dec 30, 2003
Grant Date -
Jun 19, 2003
app pub date -
Nov 7, 2002
filing date -
May 5, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of monitoring the progress of labor in a mother during childbirth, by using a position sensor to measure a predetermined point on the mother; monitoring the location of the position sensor in three-dimensional space; and monitoring the location of the fetal presenting part with respect to the predetermined point on the mother. The location of the fetal presenting part may be indicated by a similar position sensor, or by imaging. Other conditions, such as effacement, cervical dilatation, and cervical position may also be monitored in a similar manner. A reference or affixation point may be provided to the position sensor by, for example, attaching a key or shaped object to one or more points on the fetus or mother.
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