The Psychological Effects of NPO During Labor

The Royal College of Midwives has devoted anmentioned that there is a "'lag time' between
entire chapter to maintaining nutrition during labor.scientific discovery and the first application of
Their Midwifery Practice Guideline purports to givediscoveries to medical practice." Additionally,
"evidence-based guidelines for midwifery-led careVarmus indicates there is a "delay between
in labour," and lists some strong statementsmedical progress and its application more generally
regarding the practice of NPO during labor.to public welfare." This lag between supported
The Guideline further discusses the importance ofbelief and practice is a "culturally patterned
maintaining a woman's psychological health duringbehavior [that] continues to be practiced long
labor and delivery. Many experts point out thatafter the reasons for doing so have disappeared."
NPO is a restriction that exists only in hospitals.Despite marked improvements in obstetric care,
Perhaps the most important evidence provided byanesthetic agents, and anesthesia administration,
this document is that a woman's body may bewomen are still prohibited from eating and drinking
the best indicator of whether or not eating andin labor.
drinking during labor is warranted. The desire toIn order to end the debate and effect decisive
eat appears to be most common in early labor.and cohesive practices regarding eating and
Assuming that the human body functionsdrinking during labor, extensive studies regarding
independent of medical thought, a woman's bodythe safety of doing so must be conducted.
may be indicating a desire for nutrition at theHowever, as one expert points out "Death or
point during labor in which it may be mostsignificant morbidity from pulmonary aspiration is
important; just as the hard work is beginning. Theso rare that the use of randomised controlled
psychological interpretation of a laboring womantrials to examine this outcome is impossible". Still,
indicates that the withholding of food and liquidsproductive studies can be conducted that
during labor may increase maternal apprehensionprecisely define how NPO affects the laboring
because the practice is decidedly authoritarian. Atwoman physiologically and psychologically. Such
a time when a woman should feel in control,studies can also address how NPO affects the
control is taken from her. Other studies indicatefetus during and after delivery. Although whether
that NPO during labor results in increased stresswithholding food and liquids from the laboring
for the laboring woman and an increasedmother truly influences the risk of aspiration under
perception of pain.general anesthesia may never be known, the
In his December 2001 speech at the Nobelother ways that this practice effects mother,
Foundation's Centennial Symposia in Stockholm,child, and birth outcomes, can eventually be
Harold Varmus, the President and Chief Executivedetermined.
Officer of Memorial Sloan-Kettering Cancer Center