February 2009, Volume 39 Number 2 , p 63 - 63
Philippi, Julia RN, CNM, MSN
Issue: Volume 39(2), February 2009, p 63 Publication Type: […&more: CLINICAL QUERIES] Publisher: © 2009 Lippincott Williams & Wilkins, Inc. Institution(s): Julia Philippi is a lecturer at Vanderbilt University School of Nursing in Nashville, Tenn. Clinical Queries is coordinated by Joan E. King, RNC, ACNP, ANP, PhD, program director for the acute care nurse practitioner program at Vanderbilt University in Nashville, Tenn., and a member of the Nursing2009 advisory board.
I always ask my female patients the date of the first day of their last normal menstrual period (LNMP), but how do you interpret the results? - —K.A., OKLA.
Because it's an essential part of any woman's health history, the menstrual period has often been called a woman's fifth vital sign. The menstrual cycle is affected by many factors including age, body fat, and medical disorders, often making it difficult to know what's within normal limits.