Fetal-pelvic index in nulliparous women. (Tips from Other Journals) From: American Family Physician | Date: September 1, 1992 | COPYRIGHT 1992 American Academy of Family Physicians. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Fetal-pelvic disproportion, often the cause of dysfunctional labor in nulliparous women, occurs when the fetus is larger than the mother's pelvis. Many methods developed to identify fetal-pelvic disproportion, including maternal radiographic pelvimetry, ultrasonography-derived estimated fetal weight and a trial of labor for all cephalic presentations, have had limited success.

The fetal-pelvic index is calculated from a formula that compares the fetal head and abdominal...